{"id":"CVE-2025-9182","title":"Denial-of-service due to out-of-memory in the Graphics: WebRender component","summary":"Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"vendor":"mozilla","product":"firefox","affected":["firefox < 140.2.0","firefox < 142.0","thunderbird < 140.2.0","thunderbird < 142.0"],"patched":["firefox 142.0","thunderbird 142.0"],"published":"2025-08-19","updated":"2026-09-30","sourceUpdated":"2026-09-30T18:10:00.190","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-9182","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1975837","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-64/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-67/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-70/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-72/","label":"security@mozilla.org"}],"tags":["nvd"],"epss":0.00395,"epssPercentile":0.31239,"ingestedAt":"2026-09-30T18:17:24.457Z","slug":"CVE-2025-9182","body":"## Overview\n\nDenial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.\n\n## Affected\n\n- `firefox < 140.2.0`\n- `firefox < 142.0`\n- `thunderbird < 140.2.0`\n- `thunderbird < 142.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox 142.0`\n- `thunderbird 142.0`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}