CVE-2026-109718 | Mozilla Firefox up to 115.42/153.4/157 XML use after free

October 13, 2026 Yanac

A vulnerability described as critical has been identified in Mozilla Firefox up to 115.42/153.4/157. This affects an unknown part of the component XML. Executing a manipulation can lead to use after free.

This vulnerability is tracked as CVE-2026-109718. The attack can be launched remotely. No exploit exists.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More