CVE-2026-74937

CVE-2026-74937CVE-2026-74937

mozilla / firefox

Description

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Last modified2026-08-19
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.