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{"bugzilla": {"description": "chromium-browser: Heap buffer overflow in WebML", "id": "2446856", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446856"}, "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"}, "details": ["A heap buffer overflow flaw was found in the WebML component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=483971526"], "name": "CVE-2026-3915", "public_date": "2026-03-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-3915\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-3915\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html\nhttps://issues.chromium.org/issues/483971526"], "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": "[0,146.0.7680.71)"}}], "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": "2026-04-16T09:19:10.400703+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to version 146.0.7680.71 or later.", "If an update cannot be applied immediately, block or remove the WebML/accelerated features via enterprise policy or group policy settings.", "Monitor for suspicious activity and ensure that browsers are set to default or stricter content security policies."], "summary": {"action": "Apply Patch", "impact": "Remote Memory Read"}, "threat_synthesis": {"affected_systems": "The issue affects Google Chrome versions prior to 146.0.7680.71 across all supported operating systems, including Windows, macOS, and Linux. Any user who visits a malicious HTML page while running these affected Chrome versions is at risk.", "description_and_impact": "A heap buffer overflow occurs in the WebML component of Google Chrome when parsing a specially crafted HTML page. The flaw permits an attacker to perform an out\u2011of\u2011bounds memory read from the browser\u2019s process. This can expose data stored in memory and compromise the confidentiality of information handled by the browser. The vulnerability is classified as a heap\u2011based buffer overflow (CWE\u2011122).", "risk_and_exploitability": "The CVSS score of 8.8 classifies it as high severity. EPSS indicates a very low exploit probability (<1%), and it is not listed in the CISA KEV catalog. The attack requires a malicious webpage that the user visits; therefore, the vector is remote through the web. The potential impact on confidentiality is significant."}}}}, "created": "2026-03-12T09:55:36.559675+00:00", "updated": "2026-04-16T09:30:06.040127+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}