WARNING: Expiring Root Certificate May Disable Firefox Add-Ons, Security Features, and DRM Playback
Mar 13, 2025
Browser Security / Encryption
Browser maker Mozilla is urging users to update their Firefox instances to the latest version to avoid facing issues with using add-ons due to the impending expiration of a root certificate. "On March 14, 2025, a root certificate used to verify signed content and add-ons for various Mozilla projects, including Firefox, will expire," Mozilla said . "Without updating to Firefox version 128 or higher (or ESR 115.13 + for ESR users, including Windows 7/8/8.1 and macOS 10.12-10.14 users), this expiration may cause significant issues with add-ons, content signing, and DRM-protected media playback." Mozilla said the latest version of Firefox includes a new root certificate that will prevent this from happening. The update is crucial for all users of Firefox running a version prior to 128, or Extended Support Release (ESR) versions before 115.13, both of which were released on July 9, 2024. This includes all versions of Firefox for Windows, macOS, Linux, and Android...
