CVE-2026-120931

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{"bugzilla": {"description": "chromium-browser: Out of bounds write in WebGL", "id": "2566521", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2566521"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["Out of bounds write in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)", "An out of bounds write flaw was found in the WebGL component of the Chromium browser.\nUpstream bug(s):\nhttps://issues.chromium.org/issues/550607402"], "name": "CVE-2026-120931", "public_date": "2026-11-03T21:20:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-120931\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-120931\nhttps://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html\nhttps://issues.chromium.org/issues/550607402"], "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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