{"id":"CVE-2026-117881","aliases":[],"title":"Use-after-free in the DOM: Core & HTML component","titleSource":"mozilla","descriptionSource":"mozilla","products":[{"vendor":"Mozilla","name":"Firefox","platforms":[],"versions":[{"version":"115.44","status":"unaffected","lessThanOrEqual":"115.*","versionType":"rpm"},{"version":"153.6","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"159","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}],"source":"mozilla","url":"https://www.cve.org/CVERecord?id=CVE-2026-117881"},{"vendor":"Mozilla","name":"Thunderbird","platforms":[],"versions":[{"version":"153.6","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"159","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}],"source":"mozilla","url":"https://www.cve.org/CVERecord?id=CVE-2026-117881"}],"remediation":[],"description":"Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.","severity":"unknown","score":null,"published":"2026-10-27T14:05:10.263Z","modified":"2026-10-27T18:28:17.938Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2076267","https://www.mozilla.org/security/advisories/mfsa2026-118/","https://www.mozilla.org/security/advisories/mfsa2026-119/","https://www.mozilla.org/security/advisories/mfsa2026-120/","https://www.mozilla.org/security/advisories/mfsa2026-121/","https://www.mozilla.org/security/advisories/mfsa2026-122/"],"sources":[{"name":"CVE","id":"CVE-2026-117881","modified":"2026-10-27T18:28:17.938Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-117881"}],"assessments":[],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T09:10:39.623Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}