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{"bugzilla": {"description": "chromium-browser: Out of bounds memory access in WebGL", "id": "2449384", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449384"}, "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": ["An out of bounds memory access flaw was found in the WebGL component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=475877320"], "name": "CVE-2026-4439", "public_date": "2026-03-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-4439\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-4439\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html\nhttps://issues.chromium.org/issues/475877320"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Critical"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[146.0.7680.153,146.0.7680.153)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "analysis": {"en": {"generated_at": "2026-03-20T20:26:42.363366+00:00", "value": {"mitigation_remediation": ["Apply the latest Chrome update (146.0.7680.153 or later).", "Verify the installed Chrome version via chrome://settings/help and update if necessary."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Google Chrome for Android versions prior to 146.0.7680.153. No other operating systems or Chrome versions are listed as affected.", "description_and_impact": "Out of bounds memory access in the WebGL implementation of Google Chrome permitted a remote attacker to potentially escape the browser sandbox through a specially crafted HTML page. This critical vulnerability could allow the attacker to execute arbitrary code in the host operating system, thereby compromising confidentiality, integrity, and availability of the device.", "risk_and_exploitability": "The CVSS score of 8.8 indicates a high severity impact. The EPSS score is below 1%, suggesting a low probability of exploitation at this stage. The vulnerability does not appear in the CISA KEV catalog, implying no publicly known exploits yet. An attacker would need to deliver a malicious web page and convince a user to open it in the vulnerable Chrome browser on an Android device."}}}}, "created": "2026-03-20T08:53:35.822697+00:00", "updated": "2026-03-25T14:10:07.079791+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}