{"id":"CVE-2026-117890","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-117890","generatedAt":"2026-10-27T23:51:22.994Z","title":"This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.","description":"JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.","published":"2026-10-27T14:16:44.000Z","lastModified":"2026-10-27T19:17:14.000Z","status":"Deferred","sourceIdentifier":"security@mozilla.org","cvss":null,"cwe":[],"affected":[],"epss":null,"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"unknown","text":"Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-27T14:16:44.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-27T14:16:44.377Z"},"summary":"New CVE, not yet scored."}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2078749","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-118/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-120/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-121/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-122/","source":"security@mozilla.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-117890","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}