CVE-2026-118026 | Mozilla Firefox up to 158 GC memory corruption

October 27, 2026 Yanac

A vulnerability classified as critical has been found in Mozilla Firefox up to 158. This affects an unknown function of the component GC. The manipulation leads to memory corruption.

This vulnerability is documented as CVE-2026-118026. The attack can be initiated remotely. There is not any exploit available.

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