CVE-2025-10528

CVE-2025-10528CVE-2025-10528

mozilla / firefox

Description

Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

Scoring

CVSS 7.3 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Last modified2026-10-18
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.