CVE-2025-11719 | Mozilla Firefox up to 143 on Windows Native Messaging API use after free

October 14, 2025 Yanac

A vulnerability has been found in Mozilla Firefox up to 143 on Windows and classified as critical. The impacted element is an unknown function of the component Native Messaging API. The manipulation leads to use after free.

This vulnerability is uniquely identified as CVE-2025-11719. The attack is possible to be carried out remotely. No exploit exists.

The affected component should be upgraded.VulDB Recent EntriesRead More