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{"bugzilla": {"description": "chromium-browser: Out of bounds read in WebAudio", "id": "2450573", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450573"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-125", "details": ["An out of bounds read flaw was found in the WebAudio component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=490533968"], "name": "CVE-2026-4677", "public_date": "2026-03-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-4677\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-4677\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_23.html\nhttps://issues.chromium.org/issues/490533968"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[146.0.7680.165,146.0.7680.165)"}}], "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": "2026-03-24T19:26:02.177389+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to version\u202f146.0.7680.165 or later"], "summary": {"action": "Immediate Patch", "impact": "Remote memory read via out\u2011of\u2011bounds WebAudio bug"}, "threat_synthesis": {"affected_systems": "The vulnerability affects all Chrome releases prior to version\u202f146.0.7680.165 across Windows, macOS, and Linux platforms. Users of earlier versions should verify their current Chrome version and update accordingly.", "description_and_impact": "A flaw in Chrome\u2019s WebAudio implementation allows a remote attacker to cause an out\u2011of\u2011bounds memory read by serving a specially crafted HTML page. The read can expose internal data, potentially compromising confidentiality. The weakness maps to CWE\u2011125 and is rated high severity by Chromium\u2019s security team.", "risk_and_exploitability": "The CVSS score of 8.8 signals high impact, and the EPSS score of less than 1% suggests limited observed exploitation. It is not listed in the CISA KEV catalog. Based on the description, the attack vector is a maliciously crafted web page that the user must load, making the threat easily exploitable in everyday browsing scenarios."}}}}, "created": "2026-03-24T10:29:31.648482+00:00", "updated": "2026-03-25T20:40:37.542357+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}