CVE-2026-118023 | Mozilla Firefox up to 158 WebRender use after free

October 27, 2026 Yanac

A vulnerability labeled as critical has been found in Mozilla Firefox up to 158. Impacted is an unknown function of the component WebRender. Such manipulation leads to use after free.

This vulnerability is listed as CVE-2026-118023. The attack may be performed from remote. There is no available exploit.

The affected component should be upgraded.VulDB Recent EntriesRead More