CVE-2026-100789 | Mozilla Firefox up to 115.41/140.16/153.3/156 Canvas2D use after free

A vulnerability identified as critical has been detected in Mozilla Firefox up to 115.41/140.16/153.3/156. Affected by this issue is some unknown functionality of the component Canvas2D. Performing a manipulation results in use after free.

This vulnerability is reported as CVE-2026-100789. The attack is possible to be carried out remotely. No exploit exists.

You should upgrade the affected component.VulDB Recent EntriesRead More