CVE-2026-117988 | Mozilla Firefox up to 153.5/158 CanvasWebGL sandbox

October 27, 2026 Yanac

A vulnerability identified as critical has been detected in Mozilla Firefox up to 153.5/158. This impacts an unknown function of the component CanvasWebGL. Performing a manipulation results in sandbox issue.

This vulnerability is cataloged as CVE-2026-117988. It is possible to initiate the attack remotely. There is no exploit available.

You should upgrade the affected component.VulDB Recent EntriesRead More