CVE-2026-109719

Updated on 13 Oct 2026

Severity

4.2 Medium severity

Details

CVSS score
4.2
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Overview

About vulnerability

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.

Details

Affected product:
AlmaLinux 9.2 ESU
Affected packages:
thunderbird @ 153.5.0

Fixes