CVE-2026-2770 | Mozilla Firefox up to 147 WebIDL use after free (Nessus ID 299964 / WID-SEC-2026-0497)
A vulnerability labeled as critical has been found in Mozilla Firefox up to 147. This issue affects some unknown processing of the component WebIDL. Executing a manipulation can lead to use after free.
This vulnerability is registered as CVE-2026-2770. It is possible to launch the attack remotely. No exploit is available.
The affected component should be upgraded.