CVE-2021-21206

{"containers": {"cna": {"affected": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "89.0.4389.128", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page."}], "problemTypes": [{"descriptions": [{"description": "Use after free", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-05-14T22:06:34.000Z", "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://crbug.com/1196781"}, {"tags": ["x_refsource_MISC"], "url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html"}, {"name": "GLSA-202104-08", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202104-08"}, {"name": "FEDORA-2021-c3754414e7", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/"}, {"name": "FEDORA-2021-ff893e12c5", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/"}, {"name": "FEDORA-2021-35d2bb4627", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "chrome-cve-admin@google.com", "ID": "CVE-2021-21206", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Chrome", "version": {"version_data": [{"version_affected": "<", "version_value": "89.0.4389.128"}]}}]}, "vendor_name": "Google"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Use after free"}]}]}, "references": {"reference_data": [{"name": "https://crbug.com/1196781", "refsource": "MISC", "url": "https://crbug.com/1196781"}, {"name": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html", "refsource": "MISC", "url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html"}, {"name": "GLSA-202104-08", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202104-08"}, {"name": "FEDORA-2021-c3754414e7", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/"}, {"name": "FEDORA-2021-ff893e12c5", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/"}, {"name": "FEDORA-2021-35d2bb4627", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:01:14.411Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://crbug.com/1196781"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html"}, {"name": "GLSA-202104-08", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202104-08"}, {"name": "FEDORA-2021-c3754414e7", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/"}, {"name": "FEDORA-2021-ff893e12c5", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/"}, {"name": "FEDORA-2021-35d2bb4627", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/"}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-21206", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-04T15:02:34.675941Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21206"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21206", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "timeline": [{"time": "2021-11-03T00:00:00.000Z", "lang": "en", "value": "CVE-2021-21206 added to CISA KEV"}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-21T23:25:47.925Z"}}]}, "cveMetadata": {"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "assignerShortName": "Chrome", "cveId": "CVE-2021-21206", "datePublished": "2021-04-26T16:00:33.000Z", "dateReserved": "2020-12-21T00:00:00.000Z", "dateUpdated": "2025-10-21T23:25:47.925Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://crbug.com/1196781", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://security.gentoo.org/glsa/202104-08", "name": "GLSA-202104-08", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/", "name": "FEDORA-2021-c3754414e7", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/", "name": "FEDORA-2021-ff893e12c5", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/", "name": "FEDORA-2021-35d2bb4627", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:01:14.411Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-21206", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-04T15:02:34.675941Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21206"}}}], "timeline": [{"lang": "en", "time": "2021-11-03T00:00:00.000Z", "value": "CVE-2021-21206 added to CISA KEV"}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21206", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-03T14:08:40.686Z"}}], "cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "89.0.4389.128", "versionType": "custom"}]}], "references": [{"url": "https://crbug.com/1196781", "tags": ["x_refsource_MISC"]}, {"url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html", "tags": ["x_refsource_MISC"]}, {"url": "https://security.gentoo.org/glsa/202104-08", "name": "GLSA-202104-08", "tags": ["vendor-advisory", "x_refsource_GENTOO"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/", "name": "FEDORA-2021-c3754414e7", "tags": ["vendor-advisory", "x_refsource_FEDORA"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/", "name": "FEDORA-2021-ff893e12c5", "tags": ["vendor-advisory", "x_refsource_FEDORA"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/", "name": "FEDORA-2021-35d2bb4627", "tags": ["vendor-advisory", "x_refsource_FEDORA"]}], "descriptions": [{"lang": "en", "value": "Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Use after free"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2021-05-14T22:06:34.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "89.0.4389.128", "version_affected": "<"}]}, "product_name": "Chrome"}]}, "vendor_name": "Google"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://crbug.com/1196781", "name": "https://crbug.com/1196781", "refsource": "MISC"}, {"url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html", "name": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html", "refsource": "MISC"}, {"url": "https://security.gentoo.org/glsa/202104-08", "name": "GLSA-202104-08", "refsource": "GENTOO"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/", "name": "FEDORA-2021-c3754414e7", "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/", "name": "FEDORA-2021-ff893e12c5", "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/", "name": "FEDORA-2021-35d2bb4627", "refsource": "FEDORA"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Use after free"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-21206", "STATE": "PUBLIC", "ASSIGNER": "chrome-cve-admin@google.com"}}}}, "cveMetadata": {"cveId": "CVE-2021-21206", "state": "PUBLISHED", "dateUpdated": "2025-10-21T23:25:47.925Z", "dateReserved": "2020-12-21T00:00:00.000Z", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "datePublished": "2021-04-26T16:00:33.000Z", "assignerShortName": "Chrome"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "89.0.4389.128", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "cisaActionDue": "2021-11-17", "cisaExploitAdd": "2021-11-03", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Google Chromium Blink Use-After-Free Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "matchCriteriaId": "060C60A1-9A64-4B1D-A546-8397599DE453", "versionEndExcluding": "89.0.4389.128", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page."}, {"lang": "es", "value": "Un uso de la memoria previamente liberada en Blink en Google Chrome versiones anteriores a 89.0.4389.128, permit\u00eda a un atacante remoto explotar potencialmente una corrupci\u00f3n de la memoria por medio de una p\u00e1gina HTML dise\u00f1ada"}], "id": "CVE-2021-21206", "lastModified": "2026-06-17T03:35:02.093", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-21206", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-02-04T15:02:34.675941Z", "version": "2.0.3"}}]}, "published": "2021-04-26T17:15:08.213", "references": [{"source": "chrome-cve-admin@google.com", "tags": ["Release Notes"], "url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html"}, {"source": "chrome-cve-admin@google.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://crbug.com/1196781"}, {"source": "chrome-cve-admin@google.com", "tags": ["Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/"}, {"source": "chrome-cve-admin@google.com", "tags": ["Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/"}, {"source": "chrome-cve-admin@google.com", "tags": ["Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/"}, {"source": "chrome-cve-admin@google.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202104-08"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://crbug.com/1196781"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202104-08"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21206"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}