CVE-2026-100784 | Mozilla Firefox up to 115.41/140.16/153.3/156 Layout Text/Fonts use after free

A vulnerability was found in Mozilla Firefox up to 115.41/140.16/153.3/156 and classified as critical. The impacted element is an unknown function of the component Layout Text/Fonts. Executing a manipulation can lead to use after free.

This vulnerability is tracked as CVE-2026-100784. The attack can be launched remotely. No exploit exists.

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