CVE-2026-20031

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20031", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2025-10-08T11:59:15.353Z", "datePublished": "2026-03-04T17:17:33.372Z", "dateUpdated": "2026-03-05T15:52:07.708Z"}, "containers": {"cna": {"title": "ClamAV CSS Image Parsing Error Handling Denial of Service Vulnerability", "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}}], "descriptions": [{"lang": "en", "value": "A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-css-Fn4QSZ", "name": "cisco-sa-clamav-css-Fn4QSZ"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "source": {"advisory": "cisco-sa-clamav-css-Fn4QSZ", "discovery": "EXTERNAL", "defects": ["CSCwq32780"]}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "Uncaught Exception", "type": "cwe", "cweId": "CWE-248"}]}], "affected": [{"vendor": "Cisco", "product": "Cisco Secure Endpoint", "versions": [{"version": "7.0.5", "status": "affected"}, {"version": "6.2.19", "status": "affected"}, {"version": "7.3.3", "status": "affected"}, {"version": "7.2.13", "status": "affected"}, {"version": "6.1.5", "status": "affected"}, {"version": "6.3.1", "status": "affected"}, {"version": "6.2.5", "status": "affected"}, {"version": "7.3.5", "status": "affected"}, {"version": "6.2.1", "status": "affected"}, {"version": "7.2.7", "status": "affected"}, {"version": "7.1.1", "status": "affected"}, {"version": "6.3.5", "status": "affected"}, {"version": "6.2.9", "status": "affected"}, {"version": "7.3.1", "status": "affected"}, {"version": "6.1.7", "status": "affected"}, {"version": "7.2.11", "status": "affected"}, {"version": "7.2.3", "status": "affected"}, {"version": "7.1.5", "status": "affected"}, {"version": "6.3.3", "status": "affected"}, {"version": "7.3.9", "status": "affected"}, {"version": "6.2.3", "status": "affected"}, {"version": "6.1.9", "status": "affected"}, {"version": "6.0.9", "status": "affected"}, {"version": "7.2.5", "status": "affected"}, {"version": "6.0.7", "status": "affected"}, {"version": "6.3.7", "status": "affected"}, {"version": "1.12.3", "status": "affected"}, {"version": "1.8.0", "status": "affected"}, {"version": "1.11.1", "status": "affected"}, {"version": "1.12.4", "status": "affected"}, {"version": "1.10.0", "status": "affected"}, {"version": "1.12.0", "status": "affected"}, {"version": "1.8.1", "status": "affected"}, {"version": "1.10.1", "status": "affected"}, {"version": "1.12.1", "status": "affected"}, {"version": "1.12.6", "status": "affected"}, {"version": "1.14.0", "status": "affected"}, {"version": "1.10.2", "status": "affected"}, {"version": "1.12.7", "status": "affected"}, {"version": "1.12.2", "status": "affected"}, {"version": "1.6.0", "status": "affected"}, {"version": "1.9.0", "status": "affected"}, {"version": "1.11.0", "status": "affected"}, {"version": "1.7.0", "status": "affected"}, {"version": "1.13.0", "status": "affected"}, {"version": "1.8.4", "status": "affected"}, {"version": "1.13.1", "status": "affected"}, {"version": "1.9.1", "status": "affected"}, {"version": "1.12.5", "status": "affected"}, {"version": "1.13.2", "status": "affected"}, {"version": "2.0.2", "status": "affected"}, {"version": "1.1.0", "status": "affected"}, {"version": "2.0.0", "status": "affected"}, {"version": "2.0.1", "status": "affected"}, {"version": "8.1.7.21512", "status": "affected"}, {"version": "8.1.7", "status": "affected"}, {"version": "8.1.5", "status": "affected"}, {"version": "8.1.3.21242", "status": "affected"}, {"version": "8.1.3", "status": "affected"}, {"version": "8.1.5.21322", "status": "affected"}, {"version": "8.1.7.21417", "status": "affected"}, {"version": "2.1.0.14", "status": "affected"}, {"version": "2.2.0", "status": "affected"}, {"version": "2.3.0", "status": "affected"}, {"version": "2.4.0", "status": "affected"}, {"version": "2.5.0", "status": "affected"}, {"version": "2.6.0", "status": "affected"}, {"version": "2.7.0", "status": "affected"}, {"version": "2.8.0", "status": "affected"}, {"version": "2.9.0", "status": "affected"}, {"version": "2.10.0", "status": "affected"}, {"version": "2.10.1", "status": "affected"}, {"version": "2.11.0", "status": "affected"}, {"version": "1.14.1", "status": "affected"}, {"version": "1.15.1", "status": "affected"}, {"version": "1.15.2", "status": "affected"}, {"version": "1.15.3", "status": "affected"}, {"version": "1.15.4", "status": "affected"}, {"version": "1.15.5", "status": "affected"}, {"version": "1.15.6", "status": "affected"}, {"version": "1.16.0", "status": "affected"}, {"version": "1.16.1", "status": "affected"}, {"version": "1.16.2", "status": "affected"}, {"version": "1.16.3", "status": "affected"}, {"version": "1.18.0", "status": "affected"}, {"version": "1.18.1", "status": "affected"}, {"version": "1.20.0", "status": "affected"}, {"version": "1.21.0", "status": "affected"}, {"version": "1.21.1", "status": "affected"}, {"version": "1.21.2", "status": "affected"}, {"version": "1.21.3", "status": "affected"}, {"version": "1.22.0", "status": "affected"}, {"version": "1.22.1", "status": "affected"}, {"version": "1.22.2", "status": "affected"}, {"version": "1.22.3", "status": "affected"}, {"version": "1.22.4", "status": "affected"}, {"version": "1.24.0", "status": "affected"}, {"version": "1.24.1", "status": "affected"}, {"version": "1.24.2", "status": "affected"}, {"version": "1.24.3", "status": "affected"}, {"version": "1.24.4", "status": "affected"}, {"version": "1.26.0", "status": "affected"}, {"version": "1.24.5", "status": "affected"}, {"version": "1.26.1", "status": "affected"}, {"version": "1.27.0", "status": "affected"}, {"version": "1.15.0", "status": "affected"}, {"version": "1.17.0", "status": "affected"}, {"version": "1.17.1", "status": "affected"}, {"version": "1.17.2", "status": "affected"}, {"version": "1.19.0", "status": "affected"}, {"version": "1.20.1", "status": "affected"}, {"version": "1.20.2", "status": "affected"}, {"version": "1.20.3", "status": "affected"}, {"version": "1.20.4", "status": "affected"}, {"version": "1.20.5", "status": "affected"}, {"version": "1.20.6", "status": "affected"}, {"version": "1.23.0", "status": "affected"}, {"version": "1.23.1", "status": "affected"}, {"version": "1.20.7", "status": "affected"}, {"version": "1.20.8", "status": "affected"}, {"version": "1.25.0", "status": "affected"}, {"version": "1.25.1", "status": "affected"}, {"version": "1.25.2", "status": "affected"}, {"version": "1.27.1", "status": "affected"}, {"version": "1.27.2", "status": "affected"}, {"version": "7.3.13", "status": "affected"}, {"version": "7.3.15", "status": "affected"}, {"version": "7.4.1", "status": "affected"}, {"version": "7.4.1.20425", "status": "affected"}, {"version": "7.4.1.20439", "status": "affected"}, {"version": "7.4.3", "status": "affected"}, {"version": "7.4.3.20679", "status": "affected"}, {"version": "7.4.5", "status": "affected"}, {"version": "7.5.1.20813", "status": "affected"}, {"version": "7.5.1.20833", "status": "affected"}, {"version": "7.5.3", "status": "affected"}, {"version": "7.5.5", "status": "affected"}, {"version": "8.0.1.21160", "status": "affected"}, {"version": "8.0.1.21164", "status": "affected"}, {"version": "7.5.7", "status": "affected"}, {"version": "7.5.9", "status": "affected"}, {"version": "7.5.11", "status": "affected"}, {"version": "8.1.7.21585", "status": "affected"}, {"version": "7.5.13.21586", "status": "affected"}, {"version": "7.5.13.21598", "status": "affected"}, {"version": "8.2.1.21612", "status": "affected"}, {"version": "8.2.1.21650", "status": "affected"}, {"version": "7.5.15.21611", "status": "affected"}, {"version": "7.5.17.21680", "status": "affected"}, {"version": "8.2.3.30119", "status": "affected"}, {"version": "8.2.4.30130", "status": "affected"}, {"version": "8.4.0", "status": "affected"}, {"version": "7.5.19", "status": "affected"}, {"version": "8.4.1.30298", "status": "affected"}, {"version": "8.4.2.30317", "status": "affected"}, {"version": "8.4.1.30307", "status": "affected"}, {"version": "7.5.20", "status": "affected"}, {"version": "8.4.3", "status": "affected"}, {"version": "8.4.4.30419", "status": "affected"}, {"version": "8.4.4.30467", "status": "affected"}, {"version": "7.5.21.21732", "status": "affected"}, {"version": "8.4.5.30483", "status": "affected"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-03-04T17:44:55.869Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-05T15:51:58.298217Z", "id": "CVE-2026-20031", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-05T15:52:07.708Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-20031", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-05T15:51:58.298217Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-05T15:52:03.337Z"}}], "cna": {"title": "ClamAV CSS Image Parsing Error Handling Denial of Service Vulnerability", "source": {"defects": ["CSCwq32780"], "advisory": "cisco-sa-clamav-css-Fn4QSZ", "discovery": "EXTERNAL"}, "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Cisco", "product": "Cisco Secure Endpoint", "versions": [{"status": "affected", "version": "7.0.5"}, {"status": "affected", "version": "6.2.19"}, {"status": "affected", "version": "7.3.3"}, {"status": "affected", "version": "7.2.13"}, {"status": "affected", "version": "6.1.5"}, {"status": "affected", "version": "6.3.1"}, {"status": "affected", "version": "6.2.5"}, {"status": "affected", "version": "7.3.5"}, {"status": "affected", "version": "6.2.1"}, {"status": "affected", "version": "7.2.7"}, {"status": "affected", "version": "7.1.1"}, {"status": "affected", "version": "6.3.5"}, {"status": "affected", "version": "6.2.9"}, {"status": "affected", "version": "7.3.1"}, {"status": "affected", "version": "6.1.7"}, {"status": "affected", "version": "7.2.11"}, {"status": "affected", "version": "7.2.3"}, {"status": "affected", "version": "7.1.5"}, {"status": "affected", "version": "6.3.3"}, {"status": "affected", "version": "7.3.9"}, {"status": "affected", "version": "6.2.3"}, {"status": "affected", "version": "6.1.9"}, {"status": "affected", "version": "6.0.9"}, {"status": "affected", "version": "7.2.5"}, {"status": "affected", "version": "6.0.7"}, {"status": "affected", "version": "6.3.7"}, {"status": "affected", "version": "1.12.3"}, {"status": "affected", "version": "1.8.0"}, {"status": "affected", "version": "1.11.1"}, {"status": "affected", "version": "1.12.4"}, {"status": "affected", "version": "1.10.0"}, {"status": "affected", "version": "1.12.0"}, {"status": "affected", "version": "1.8.1"}, {"status": "affected", "version": "1.10.1"}, {"status": "affected", "version": "1.12.1"}, {"status": "affected", "version": "1.12.6"}, {"status": "affected", "version": "1.14.0"}, {"status": "affected", "version": "1.10.2"}, {"status": "affected", "version": "1.12.7"}, {"status": "affected", "version": "1.12.2"}, {"status": "affected", "version": "1.6.0"}, {"status": "affected", "version": "1.9.0"}, {"status": "affected", "version": "1.11.0"}, {"status": "affected", "version": "1.7.0"}, {"status": "affected", "version": "1.13.0"}, {"status": "affected", "version": "1.8.4"}, {"status": "affected", "version": "1.13.1"}, {"status": "affected", "version": "1.9.1"}, {"status": "affected", "version": "1.12.5"}, {"status": "affected", "version": "1.13.2"}, {"status": "affected", "version": "2.0.2"}, {"status": "affected", "version": "1.1.0"}, {"status": "affected", "version": "2.0.0"}, {"status": "affected", "version": "2.0.1"}, {"status": "affected", "version": "8.1.7.21512"}, {"status": "affected", "version": "8.1.7"}, {"status": "affected", "version": "8.1.5"}, {"status": "affected", "version": "8.1.3.21242"}, {"status": "affected", "version": "8.1.3"}, {"status": "affected", "version": "8.1.5.21322"}, {"status": "affected", "version": "8.1.7.21417"}, {"status": "affected", "version": "2.1.0.14"}, {"status": "affected", "version": "2.2.0"}, {"status": "affected", "version": "2.3.0"}, {"status": "affected", "version": "2.4.0"}, {"status": "affected", "version": "2.5.0"}, {"status": "affected", "version": "2.6.0"}, {"status": "affected", "version": "2.7.0"}, {"status": "affected", "version": "2.8.0"}, {"status": "affected", "version": "2.9.0"}, {"status": "affected", "version": "2.10.0"}, {"status": "affected", "version": "2.10.1"}, {"status": "affected", "version": "2.11.0"}, {"status": "affected", "version": "1.14.1"}, {"status": "affected", "version": "1.15.1"}, {"status": "affected", "version": "1.15.2"}, {"status": "affected", "version": "1.15.3"}, {"status": "affected", "version": "1.15.4"}, {"status": "affected", "version": "1.15.5"}, {"status": "affected", "version": "1.15.6"}, {"status": "affected", "version": "1.16.0"}, {"status": "affected", "version": "1.16.1"}, {"status": "affected", "version": "1.16.2"}, {"status": "affected", "version": "1.16.3"}, {"status": "affected", "version": "1.18.0"}, {"status": "affected", "version": "1.18.1"}, {"status": "affected", "version": "1.20.0"}, {"status": "affected", "version": "1.21.0"}, {"status": "affected", "version": "1.21.1"}, {"status": "affected", "version": "1.21.2"}, {"status": "affected", "version": "1.21.3"}, {"status": "affected", "version": "1.22.0"}, {"status": "affected", "version": "1.22.1"}, {"status": "affected", "version": "1.22.2"}, {"status": "affected", "version": "1.22.3"}, {"status": "affected", "version": "1.22.4"}, {"status": "affected", "version": "1.24.0"}, {"status": "affected", "version": "1.24.1"}, {"status": "affected", "version": "1.24.2"}, {"status": "affected", "version": "1.24.3"}, {"status": "affected", "version": "1.24.4"}, {"status": "affected", "version": "1.26.0"}, {"status": "affected", "version": "1.24.5"}, {"status": "affected", "version": "1.26.1"}, {"status": "affected", "version": "1.27.0"}, {"status": "affected", "version": "1.15.0"}, {"status": "affected", "version": "1.17.0"}, {"status": "affected", "version": "1.17.1"}, {"status": "affected", "version": "1.17.2"}, {"status": "affected", "version": "1.19.0"}, {"status": "affected", "version": "1.20.1"}, {"status": "affected", "version": "1.20.2"}, {"status": "affected", "version": "1.20.3"}, {"status": "affected", "version": "1.20.4"}, {"status": "affected", "version": "1.20.5"}, {"status": "affected", "version": "1.20.6"}, {"status": "affected", "version": "1.23.0"}, {"status": "affected", "version": "1.23.1"}, {"status": "affected", "version": "1.20.7"}, {"status": "affected", "version": "1.20.8"}, {"status": "affected", "version": "1.25.0"}, {"status": "affected", "version": "1.25.1"}, {"status": "affected", "version": "1.25.2"}, {"status": "affected", "version": "1.27.1"}, {"status": "affected", "version": "1.27.2"}, {"status": "affected", "version": "7.3.13"}, {"status": "affected", "version": "7.3.15"}, {"status": "affected", "version": "7.4.1"}, {"status": "affected", "version": "7.4.1.20425"}, {"status": "affected", "version": "7.4.1.20439"}, {"status": "affected", "version": "7.4.3"}, {"status": "affected", "version": "7.4.3.20679"}, {"status": "affected", "version": "7.4.5"}, {"status": "affected", "version": "7.5.1.20813"}, {"status": "affected", "version": "7.5.1.20833"}, {"status": "affected", "version": "7.5.3"}, {"status": "affected", "version": "7.5.5"}, {"status": "affected", "version": "8.0.1.21160"}, {"status": "affected", "version": "8.0.1.21164"}, {"status": "affected", "version": "7.5.7"}, {"status": "affected", "version": "7.5.9"}, {"status": "affected", "version": "7.5.11"}, {"status": "affected", "version": "8.1.7.21585"}, {"status": "affected", "version": "7.5.13.21586"}, {"status": "affected", "version": "7.5.13.21598"}, {"status": "affected", "version": "8.2.1.21612"}, {"status": "affected", "version": "8.2.1.21650"}, {"status": "affected", "version": "7.5.15.21611"}, {"status": "affected", "version": "7.5.17.21680"}, {"status": "affected", "version": "8.2.3.30119"}, {"status": "affected", "version": "8.2.4.30130"}, {"status": "affected", "version": "8.4.0"}, {"status": "affected", "version": "7.5.19"}, {"status": "affected", "version": "8.4.1.30298"}, {"status": "affected", "version": "8.4.2.30317"}, {"status": "affected", "version": "8.4.1.30307"}, {"status": "affected", "version": "7.5.20"}, {"status": "affected", "version": "8.4.3"}, {"status": "affected", "version": "8.4.4.30419"}, {"status": "affected", "version": "8.4.4.30467"}, {"status": "affected", "version": "7.5.21.21732"}, {"status": "affected", "version": "8.4.5.30483"}], "defaultStatus": "unknown"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-css-Fn4QSZ", "name": "cisco-sa-clamav-css-Fn4QSZ"}], "descriptions": [{"lang": "en", "value": "A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-248", "description": "Uncaught Exception"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-03-04T17:44:55.869Z"}}}, "cveMetadata": {"cveId": "CVE-2026-20031", "state": "PUBLISHED", "dateUpdated": "2026-03-05T15:52:07.708Z", "dateReserved": "2025-10-08T11:59:15.353Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2026-03-04T17:17:33.372Z", "assignerShortName": "cisco"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Cisco Secure Endpoint", "vendor": "Cisco", "versions": [{"status": "affected", "version": "7.0.5"}, {"status": "affected", "version": "6.2.19"}, {"status": "affected", "version": "7.3.3"}, {"status": "affected", "version": "7.2.13"}, {"status": "affected", "version": "6.1.5"}, {"status": "affected", "version": "6.3.1"}, {"status": "affected", "version": "6.2.5"}, {"status": "affected", "version": "7.3.5"}, {"status": "affected", "version": "6.2.1"}, {"status": "affected", "version": "7.2.7"}, {"status": "affected", "version": "7.1.1"}, {"status": "affected", "version": "6.3.5"}, {"status": "affected", "version": "6.2.9"}, {"status": "affected", "version": "7.3.1"}, {"status": "affected", "version": "6.1.7"}, {"status": "affected", "version": "7.2.11"}, {"status": "affected", "version": "7.2.3"}, {"status": "affected", "version": "7.1.5"}, {"status": "affected", "version": "6.3.3"}, {"status": "affected", "version": "7.3.9"}, {"status": "affected", "version": "6.2.3"}, {"status": "affected", "version": "6.1.9"}, {"status": "affected", "version": "6.0.9"}, {"status": "affected", "version": "7.2.5"}, {"status": "affected", "version": "6.0.7"}, {"status": "affected", "version": "6.3.7"}, {"status": "affected", "version": "1.12.3"}, {"status": "affected", "version": "1.8.0"}, {"status": "affected", "version": "1.11.1"}, {"status": "affected", "version": "1.12.4"}, {"status": "affected", "version": "1.10.0"}, {"status": "affected", "version": "1.12.0"}, {"status": "affected", "version": "1.8.1"}, {"status": "affected", "version": "1.10.1"}, {"status": "affected", "version": "1.12.1"}, {"status": "affected", "version": "1.12.6"}, {"status": "affected", "version": "1.14.0"}, {"status": "affected", "version": "1.10.2"}, {"status": "affected", "version": "1.12.7"}, {"status": "affected", "version": "1.12.2"}, {"status": "affected", "version": "1.6.0"}, {"status": "affected", "version": "1.9.0"}, {"status": "affected", "version": "1.11.0"}, {"status": "affected", "version": "1.7.0"}, {"status": "affected", "version": "1.13.0"}, {"status": "affected", "version": "1.8.4"}, {"status": "affected", "version": "1.13.1"}, {"status": "affected", "version": "1.9.1"}, {"status": "affected", "version": "1.12.5"}, {"status": "affected", "version": "1.13.2"}, {"status": "affected", "version": "2.0.2"}, {"status": "affected", "version": "1.1.0"}, {"status": "affected", "version": "2.0.0"}, {"status": "affected", "version": "2.0.1"}, {"status": "affected", "version": "8.1.7.21512"}, {"status": "affected", "version": "8.1.7"}, {"status": "affected", "version": "8.1.5"}, {"status": "affected", "version": "8.1.3.21242"}, {"status": "affected", "version": "8.1.3"}, {"status": "affected", "version": "8.1.5.21322"}, {"status": "affected", "version": "8.1.7.21417"}, {"status": "affected", "version": "2.1.0.14"}, {"status": "affected", "version": "2.2.0"}, {"status": "affected", "version": "2.3.0"}, {"status": "affected", "version": "2.4.0"}, {"status": "affected", "version": "2.5.0"}, {"status": "affected", "version": "2.6.0"}, {"status": "affected", "version": "2.7.0"}, {"status": "affected", "version": "2.8.0"}, {"status": "affected", "version": "2.9.0"}, {"status": "affected", "version": "2.10.0"}, {"status": "affected", "version": "2.10.1"}, {"status": "affected", "version": "2.11.0"}, {"status": "affected", "version": "1.14.1"}, {"status": "affected", "version": "1.15.1"}, {"status": "affected", "version": "1.15.2"}, {"status": "affected", "version": "1.15.3"}, {"status": "affected", "version": "1.15.4"}, {"status": "affected", "version": "1.15.5"}, {"status": "affected", "version": "1.15.6"}, {"status": "affected", "version": "1.16.0"}, {"status": "affected", "version": "1.16.1"}, {"status": "affected", "version": "1.16.2"}, {"status": "affected", "version": "1.16.3"}, {"status": "affected", "version": "1.18.0"}, {"status": "affected", "version": "1.18.1"}, {"status": "affected", "version": "1.20.0"}, {"status": "affected", "version": "1.21.0"}, {"status": "affected", "version": "1.21.1"}, {"status": "affected", "version": "1.21.2"}, {"status": "affected", "version": "1.21.3"}, {"status": "affected", "version": "1.22.0"}, {"status": "affected", "version": "1.22.1"}, {"status": "affected", "version": "1.22.2"}, {"status": "affected", "version": "1.22.3"}, {"status": "affected", "version": "1.22.4"}, {"status": "affected", "version": "1.24.0"}, {"status": "affected", "version": "1.24.1"}, {"status": "affected", "version": "1.24.2"}, {"status": "affected", "version": "1.24.3"}, {"status": "affected", "version": "1.24.4"}, {"status": "affected", "version": "1.26.0"}, {"status": "affected", "version": "1.24.5"}, {"status": "affected", "version": "1.26.1"}, {"status": "affected", "version": "1.27.0"}, {"status": "affected", "version": "1.15.0"}, {"status": "affected", "version": "1.17.0"}, {"status": "affected", "version": "1.17.1"}, {"status": "affected", "version": "1.17.2"}, {"status": "affected", "version": "1.19.0"}, {"status": "affected", "version": "1.20.1"}, {"status": "affected", "version": "1.20.2"}, {"status": "affected", "version": "1.20.3"}, {"status": "affected", "version": "1.20.4"}, {"status": "affected", "version": "1.20.5"}, {"status": "affected", "version": "1.20.6"}, {"status": "affected", "version": "1.23.0"}, {"status": "affected", "version": "1.23.1"}, {"status": "affected", "version": "1.20.7"}, {"status": "affected", "version": "1.20.8"}, {"status": "affected", "version": "1.25.0"}, {"status": "affected", "version": "1.25.1"}, {"status": "affected", "version": "1.25.2"}, {"status": "affected", "version": "1.27.1"}, {"status": "affected", "version": "1.27.2"}, {"status": "affected", "version": "7.3.13"}, {"status": "affected", "version": "7.3.15"}, {"status": "affected", "version": "7.4.1"}, {"status": "affected", "version": "7.4.1.20425"}, {"status": "affected", "version": "7.4.1.20439"}, {"status": "affected", "version": "7.4.3"}, {"status": "affected", "version": "7.4.3.20679"}, {"status": "affected", "version": "7.4.5"}, {"status": "affected", "version": "7.5.1.20813"}, {"status": "affected", "version": "7.5.1.20833"}, {"status": "affected", "version": "7.5.3"}, {"status": "affected", "version": "7.5.5"}, {"status": "affected", "version": "8.0.1.21160"}, {"status": "affected", "version": "8.0.1.21164"}, {"status": "affected", "version": "7.5.7"}, {"status": "affected", "version": "7.5.9"}, {"status": "affected", "version": "7.5.11"}, {"status": "affected", "version": "8.1.7.21585"}, {"status": "affected", "version": "7.5.13.21586"}, {"status": "affected", "version": "7.5.13.21598"}, {"status": "affected", "version": "8.2.1.21612"}, {"status": "affected", "version": "8.2.1.21650"}, {"status": "affected", "version": "7.5.15.21611"}, {"status": "affected", "version": "7.5.17.21680"}, {"status": "affected", "version": "8.2.3.30119"}, {"status": "affected", "version": "8.2.4.30130"}, {"status": "affected", "version": "8.4.0"}, {"status": "affected", "version": "7.5.19"}, {"status": "affected", "version": "8.4.1.30298"}, {"status": "affected", "version": "8.4.2.30317"}, {"status": "affected", "version": "8.4.1.30307"}, {"status": "affected", "version": "7.5.20"}, {"status": "affected", "version": "8.4.3"}, {"status": "affected", "version": "8.4.4.30419"}, {"status": "affected", "version": "8.4.4.30467"}, {"status": "affected", "version": "7.5.21.21732"}, {"status": "affected", "version": "8.4.5.30483"}]}], "source": "psirt@cisco.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process."}, {"lang": "es", "value": "Una vulnerabilidad en el m\u00f3dulo HTML Cascading Style Sheets (CSS) de ClamAV podr\u00eda permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado.\n\nEsta vulnerabilidad se debe a un manejo de errores inadecuado al dividir cadenas UTF-8. Un atacante podr\u00eda explotar esta vulnerabilidad al enviar un archivo HTML manipulado para ser escaneado por ClamAV en un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante terminar el proceso de escaneo."}], "id": "CVE-2026-20031", "lastModified": "2026-06-17T10:16:56.607", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20031", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-05T15:51:58.298217Z", "version": "2.0.3"}}]}, "published": "2026-03-04T18:16:16.773", "references": [{"source": "psirt@cisco.com", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-css-Fn4QSZ"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-248"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.0.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.2.19"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.3.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.2.13"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.1.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.3.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.2.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.3.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.2.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.2.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.1.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.3.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.2.9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.3.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.1.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.2.11"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.2.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.1.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.3.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.3.9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.2.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.1.9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.0.9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.2.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.0.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.3.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.12.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.8.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.11.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.12.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.10.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.12.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.8.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.10.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.12.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.12.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.14.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.10.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.12.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.12.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.6.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.9.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.11.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.7.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.13.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.8.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.13.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.9.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.12.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.13.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.0.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.1.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.0.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.0.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.1.7.21512"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "8.1.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "8.1.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.1.3.21242"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "8.1.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.1.5.21322"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.1.7.21417"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "2.1.0.14"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.2.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.3.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.4.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.5.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.7.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.8.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.9.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.10.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.10.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.11.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.14.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.15.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.15.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.15.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.15.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.15.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.15.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.16.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.16.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.16.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.16.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.18.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.18.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.21.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.21.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.21.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.21.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.22.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.22.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.22.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.22.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.22.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.24.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.24.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.24.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.24.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.24.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.26.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.24.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.26.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.27.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.15.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.17.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.17.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.17.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.19.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.23.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.23.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.20.8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.25.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.25.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.25.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.27.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.27.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.3.13"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.3.15"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.4.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.4.1.20425"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.4.1.20439"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.4.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.4.3.20679"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.4.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.5.1.20813"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.5.1.20833"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.0.1.21160"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.0.1.21164"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.11"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.1.7.21585"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.5.13.21586"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.5.13.21598"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.2.1.21612"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.2.1.21650"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.15.21611"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.17.21680"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.2.3.30119"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.2.4.30130"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.4.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.19"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.4.1.30298"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.4.2.30317"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.4.1.30307"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.20"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "8.4.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.4.4.30419"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.4.4.30467"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "7.5.21.21732"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.4.5.30483"}}], "enrichment": {"confidence": 88.0, "confidence_source": "matching", "scores": [{"score": 88.0, "source": "matching"}]}, "original": {"product": "Cisco Secure Endpoint", "source": "cna", "vendor": "Cisco"}, "product": "secure_endpoint", "vendor": "cisco"}], "analysis": {"en": {"generated_at": "2026-04-17T13:08:43.238431+00:00", "value": {"mitigation_remediation": ["Apply the latest Cisco Secure Endpoint patch that includes the ClamAV CSS parsing fix.", "If a patch is not immediately available, isolate the CSS processing capability by disabling the CSS module or preventing ClamAV from scanning CSS-related files.", "Continue to monitor system logs for repeated crashes or abnormal termination of the scanning process and block any source that repeatedly submits malformed MIME objects.", "Ensure any external interfaces that admit files for scanning enforce strict content validation to prevent delivery of crafted HTML."], "summary": {"action": "Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The flaw is reported to affect Cisco Secure Endpoint devices that rely on ClamAV for scanning. No specific version range is supplied in the advisory, so any deployment of ClamAV within this product line should be treated with caution until a patch can be applied.", "description_and_impact": "A defect in the CSS handling component of ClamAV leads to improper error handling when splitting UTF-8 strings. When a maliciously crafted HTML file is scanned, this flaw can terminate the scanning process, resulting in a denial of service on the affected device. The vulnerability is a classic example of CWE-248, undefined behavior caused by improper handling of error conditions.", "risk_and_exploitability": "The CVSS score of 5.3 indicates a moderate severity. The EPSS score is less than 1%, suggesting that exploitation is unlikely at present, and the vulnerability is not listed in the CISA KEV catalog. Exploitation requires an unauthenticated attacker to provide a crafted HTML file that ClamAV will process, a condition that may arise if the device accepts arbitrary user-supplied content for scanning."}}}}, "created": "2026-03-05T09:06:41.652496+00:00", "updated": "2026-04-17T13:15:19.674280+00:00", "vendors": ["cisco", "cisco$PRODUCT$secure_endpoint"]}