What is CVE-2026-74940?
This is a use-after-free vulnerability in the Graphics: Text component of Firefox. It affects various versions of Firefox, Firefox ESR, and Thunderbird, and users should immediately update to the fixed versions mentioned.
Azərbaycanca: Bu boşluq Firefox-un Qrafik: Mətn komponentində istifadə edildikdən sonra boşaldılan yaddaş (use-after-free) zəifliyidir. Firefox, Firefox ESR və Thunderbird-in müxtəlif versiyalarını təsir edir, istifadəçilər dərhal göstərilən ən son versiyalara yeniləməlidirlər.
Related CVEs
link basis: same weakness class CWE-416
FAQ2
Which software are affected by CVE-2026-74940 and what is the technical cause of the vulnerability?
This is a use-after-free vulnerability in the Graphics: Text component of Firefox. It affects various versions of Firefox, Firefox ESR, and Thunderbird.
What should users do to protect themselves from CVE-2026-74940?
Users should immediately update to the fixed versions mentioned for 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.