{"affected":[{"product":"Firefox","source":"CNA: mozilla","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"159","versionType":"rpm"}]},{"product":"Thunderbird","source":"CNA: mozilla","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"159","versionType":"rpm"}]}],"cveId":"CVE-2026-118014","cwes":["CWE-416"],"description":"Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.","epss":{"date":"2026-11-05","percentile":0.04259,"score":0.00151},"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},{"score":8.8,"severity":"high","source":"NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793899070677,"publishedAt":1793109961470,"references":[{"source":"CNA: mozilla","tags":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2082051"},{"source":"CNA: mozilla","tags":[],"url":"https://www.mozilla.org/security/advisories/mfsa2026-118/"},{"source":"CNA: mozilla","tags":[],"url":"https://www.mozilla.org/security/advisories/mfsa2026-121/"},{"source":"security@mozilla.org","tags":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2082051"},{"source":"security@mozilla.org","tags":[],"url":"https://www.mozilla.org/security/advisories/mfsa2026-118/"},{"source":"security@mozilla.org","tags":[],"url":"https://www.mozilla.org/security/advisories/mfsa2026-121/"}],"remediation":[],"revision":"f3f6bd06970c180aaccdc5a213cdfce30866d33b5a891b944f604b4c56d1a1da","sources":[{"modifiedAt":1793897336104,"name":"CNA: mozilla","retrievedAt":1793898716282,"url":"https://www.cve.org/CVERecord?id=CVE-2026-118014"},{"modifiedAt":1793899070677,"name":"NVD","retrievedAt":1793902925016,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118014"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793898746667,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-118014"}],"ssvc":{"assessedAt":1793897331914,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Use-after-free in the JavaScript Engine: JIT component","updatedAt":1793902925016}