CVE-2026-0878 | Mozilla Firefox up to 146 CanvasWebGL sandbox

January 13, 2026 Yanac

A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 146. Affected by this issue is some unknown functionality of the component CanvasWebGL. The manipulation results in sandbox issue.

This vulnerability is reported as CVE-2026-0878. The attack can be launched remotely. No exploit exists.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More