What is CVE-2026-74943?
This is a use-after-free vulnerability in the Graphics: ImageLib component of Firefox. It affects Firefox, Firefox ESR, and Thunderbird across specified versions. The issue has been resolved in the updated browser and email client versions mentioned.
Azərbaycanca: Bu, Firefox-un Graphics: ImageLib komponentində aşkarlanmış use-after-free zəifliyidir. Təsirə məruz qalan proqramlar Firefox, Firefox ESR, Thunderbird və onların müvafiq versiyalarıdır. Bu zəiflik qeyd olunan yenilənmiş brauzer və e-poçt müştərisi versiyalarında aradan qaldırılıb.
Related CVEs
link basis: same weakness class CWE-416
FAQ2
In which component was CVE-2026-74943 found?
This vulnerability was found in the Graphics: ImageLib component of Firefox.
Which software are affected by CVE-2026-74943?
This vulnerability affects specified versions of Firefox, Firefox ESR, and Thunderbird.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.