{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121061", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-11-03T09:24:45.545Z", "datePublished": "2026-11-03T20:42:34.920Z", "dateUpdated": "2026-11-05T04:56:28.904Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "157.0.8103.38", "status": "affected", "lessThan": "157.0.8103.38", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in Modularization in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use after free", "cweId": "CWE-416"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-11-03T20:42:34.920Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html"}, {"url": "https://issues.chromium.org/issues/576723181"}]}, "adp": [{"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": {"timestamp": "2026-11-04T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-121061"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T04:56:28.904Z"}}]}}

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{"bugzilla": {"description": "chromium-browser: Use after free in Modularization", "id": "2566339", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2566339"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["An use after free flaw was found in the Modularization component of the Chromium browser.\nUpstream bug(s):\nhttps://issues.chromium.org/issues/576723181"], "name": "CVE-2026-121061", "public_date": "2026-11-03T20:42:34Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-121061\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-121061\nhttps://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/576723181"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Important"}

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