CVE-2026-6754

CVE-2026-6754CVE-2026-6754

mozilla / firefox

Description

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Last modified2026-06-30
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.