CVE-2026-84141 PUBLISHED

Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155 and Firefox ESR 153.2.

• nguyentuanhung1149

• https://bugzilla.mozilla.org/show_bug.cgi?id=2063994
• https://www.mozilla.org/security/advisories/mfsa2026-82/
• https://www.mozilla.org/security/advisories/mfsa2026-85/