{"id":"CVE-2026-117991","published":"2026-10-27T14:16:57.020","lastModified":"2026-10-27T19:17:24.947","description":"Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2079686","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-118/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-120/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-121/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-122/","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}