CVE-2026-100788 | Mozilla Firefox up to 140.16/153.3/156 WebAssembly memory corruption

September 29, 2026 Yanac

A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 140.16/153.3/156. Affected by this vulnerability is an unknown functionality of the component WebAssembly. Such manipulation leads to memory corruption.

This vulnerability is documented as CVE-2026-100788. The attack can be executed remotely. There is not any exploit available.

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