CVE-2026-4686

CVE-2026-4686CVE-2026-4686

mozilla / firefox

Description

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

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.