{"affected":[{"product":"Firefox","source":"CNA: mozilla","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"160","versionType":"rpm"}]}],"cveId":"CVE-2026-124878","cwes":["CWE-416"],"description":"Use-after-free in the Layout: Positioned component. This vulnerability was fixed in Firefox 160.","epss":null,"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"}],"modifiedAt":1794321294869,"publishedAt":1794317331354,"references":[{"source":"CNA: mozilla","tags":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2081940"},{"source":"CNA: mozilla","tags":[],"url":"https://www.mozilla.org/security/advisories/mfsa2026-125/"}],"remediation":[],"revision":"d9d6c927974508cc8bd70cd15d94726155db94cd44404172ecec996c29fc2804","sources":[{"modifiedAt":1794321294869,"name":"CNA: mozilla","retrievedAt":1794323403618,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124878"}],"ssvc":{"assessedAt":1794320917115,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Use-after-free in the Layout: Positioned component","updatedAt":1794323403618}