CVE-2026-109719EPSS p6.1%

CVE-2026-109719CVE-2026-109719

Description

Race condition, use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Scoring

CVSS 4.2 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS0.17% probability of exploitation · percentile 6.1% · 2026-10-16T12:02:51Z
Last modified2026-10-13
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.