CVE-2026-124903 | Mozilla Firefox up to 115.44/153.6/159 IPC use after free

November 10, 2026 Yanac

A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 115.44/153.6/159. The affected element is an unknown function of the component IPC. Executing a manipulation can lead to use after free.

The identification of this vulnerability is CVE-2026-124903. The attack may be launched remotely. There is no exploit available.

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