CVE-2026-6870

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6870", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-04-22T16:29:33.845Z", "datePublished": "2026-04-30T05:33:44.224Z", "dateUpdated": "2026-04-30T12:25:36.207Z"}, "containers": {"cna": {"title": "Access of Uninitialized Pointer in Wireshark", "descriptions": [{"lang": "en", "value": "GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service"}], "affected": [{"vendor": "Wireshark Foundation", "product": "Wireshark", "versions": [{"version": "4.6.0", "status": "affected", "lessThan": "4.6.5", "versionType": "semver"}, {"version": "4.4.0", "status": "affected", "lessThan": "4.4.15", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-824: Access of Uninitialized Pointer", "cweId": "CWE-824", "type": "CWE"}]}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-43.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21189"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Upgrade to version 4.6.5 or above"}], "credits": [{"lang": "en", "value": "TODO", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-04-30T05:33:44.224Z"}}, "adp": [{"references": [{"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21189", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-30T12:25:18.841452Z", "id": "CVE-2026-6870", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-04-30T12:25:36.207Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-6870", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-30T12:25:18.841452Z"}}}], "references": [{"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21189", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-30T12:25:32.941Z"}}], "cna": {"title": "Access of Uninitialized Pointer in Wireshark", "credits": [{"lang": "en", "type": "finder", "value": "TODO"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Wireshark Foundation", "product": "Wireshark", "versions": [{"status": "affected", "version": "4.6.0", "lessThan": "4.6.5", "versionType": "semver"}, {"status": "affected", "version": "4.4.0", "lessThan": "4.4.15", "versionType": "semver"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Upgrade to version 4.6.5 or above"}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-43.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21189"}], "descriptions": [{"lang": "en", "value": "GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-824", "description": "CWE-824: Access of Uninitialized Pointer"}]}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-04-30T05:33:44.224Z"}}}, "cveMetadata": {"cveId": "CVE-2026-6870", "state": "PUBLISHED", "dateUpdated": "2026-04-30T12:25:36.207Z", "dateReserved": "2026-04-22T16:29:33.845Z", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "datePublished": "2026-04-30T05:33:44.224Z", "assignerShortName": "GitLab"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Wireshark", "vendor": "Wireshark Foundation", "versions": [{"lessThan": "4.6.5", "status": "affected", "version": "4.6.0", "versionType": "semver"}, {"lessThan": "4.4.15", "status": "affected", "version": "4.4.0", "versionType": "semver"}]}], "source": "cve@gitlab.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "matchCriteriaId": "77CF79F1-B53C-40A7-9570-A192D5A85ED6", "versionEndIncluding": "4.4.14", "versionStartIncluding": "4.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "matchCriteriaId": "B52139AE-161F-406A-B28D-F874CE8B68B6", "versionEndIncluding": "4.6.4", "versionStartIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service"}, {"lang": "es", "value": "Fallo del disector del protocolo GSM RP en Wireshark 4.6.0 a 4.6.4 y 4.4.0 a 4.4.14 permite la denegaci\u00f3n de servicio"}], "id": "CVE-2026-6870", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "cve@gitlab.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6870", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-30T12:25:18.841452Z", "version": "2.0.3"}}]}, "published": "2026-04-30T07:16:41.590", "references": [{"source": "cve@gitlab.com", "tags": ["Exploit", "Issue Tracking"], "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21189"}, {"source": "cve@gitlab.com", "tags": ["Vendor Advisory"], "url": "https://www.wireshark.org/security/wnpa-sec-2026-43.html"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Issue Tracking"], "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21189"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-824"}], "source": "cve@gitlab.com", "type": "Secondary"}]}

{"bugzilla": {"description": "Wireshark: Wireshark: Denial of service via GSM RP protocol dissector crash", "id": "2464018", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464018"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-237", "details": ["A flaw was found in Wireshark. A user processing a specially crafted GSM RP protocol dissector file or network traffic could trigger a crash, leading to a denial of service."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid opening untrusted network capture files or analyzing network traffic from untrusted sources with Wireshark. Users should exercise caution when handling files or network streams from unknown or suspicious origins."}, "name": "CVE-2026-6870", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-30T05:33:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-6870\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-6870\nhttps://gitlab.com/wireshark/wireshark/-/work_items/21189\nhttps://www.wireshark.org/security/wnpa-sec-2026-43.html"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.6.0,4.6.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.4.0,4.4.15)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Wireshark", "source": "cna", "vendor": "Wireshark Foundation"}, "product": "wireshark", "vendor": "wireshark"}], "created": "2026-04-30T08:15:31.925952+00:00", "updated": "2026-05-04T14:15:47.289443+00:00", "vendors": ["wireshark", "wireshark$PRODUCT$wireshark"]}