CVE-2025-49710 | Mozilla Firefox up to 139.0.3 JavaScript Engine OrderedHashTable integer overflow (Nessus ID 238072)

A vulnerability classified as critical has been found in Mozilla Firefox up to 139.0.3. Affected is the function OrderedHashTable of the component JavaScript Engine. The manipulation leads to integer overflow.

This vulnerability is traded as CVE-2025-49710. It is possible to launch the attack remotely. There is no exploit available.

It is recommended to upgrade the affected component.