CVE-2026-6770 | Mozilla Firefox up to 149 IndexedDB Remote Code Execution

A vulnerability classified as critical has been found in Mozilla Firefox up to 149. Affected by this issue is some unknown functionality of the component IndexedDB. The manipulation leads to Remote Code Execution.

This vulnerability is traded as CVE-2026-6770. It is possible to initiate the attack remotely. There is no exploit available.

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