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{"bugzilla": {"description": "chromium-browser: Use after free in FedCM", "id": "2545278", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545278"}, "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": ["Use after free in FedCM in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)", "An use after free flaw was found in the FedCM component of the Chromium browser.\nUpstream bug(s):\nhttps://issues.chromium.org/issues/557323166"], "name": "CVE-2026-103630", "public_date": "2026-10-02T16:07:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-103630\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-103630\nhttps://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/557323166"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Important"}