What is CVE-2026-74938?
CVE-2026-74938 is a mitigation bypass vulnerability in the JavaScript: GC (Garbage Collector) component of Firefox. This flaw has been resolved in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1. Users are advised to update to these versions.
Azərbaycanca: CVE-2026-74938, Firefox-in JavaScript: GC (Garbage Collector) komponentində mitigation bypass zəifliyidir. Bu boşluq Firefox 154, Firefox ESR 153.1, Thunderbird 154 və Thunderbird 153.1 versiyalarında aradan qaldırılıb. İstifadəçilərə bu versiyalara yeniləmə etmələri tövsiyə olunur.
FAQ2
In which software was CVE-2026-74938 discovered?
This vulnerability was discovered in the JavaScript: GC (Garbage Collector) component of Firefox, and it also affects Thunderbird.
Which versions should users update to for CVE-2026-74938?
Users should update to Firefox 154, Firefox ESR 153.1, Thunderbird 154, or Thunderbird 153.1.
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.