{"id":"CVE-2026-84141","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-84141","summary":"Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.","details":"Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.","published":"2026-09-01T13:20:08.230","modified":"2026-09-03T16:01:38.320","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2063994"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2026-82/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2026-85/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2026-86/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2026-88/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-03T16:01:38.320"}}