On March 14, 2025, a significant root certificate expired for Mozilla applications, including Firefox and Thunderbird. This expiration necessitates users to upgrade to version 128 or ESR 115.13+ to maintain functionality. Without the update, users will face a host of issues, including disabled add-ons, inability to play DRM-protected content, and overall disruption in web browsing. This situation underscores the critical role of root certificates in ensuring online security and the proper functioning of web features across all platforms.
On March 14, 2025, a root certificate expired for Mozilla projects, necessitating all Firefox users to update to version 128 or risk losing functionality.
Without the update, features relying on remote updates will stop working, add-ons will be disabled, and DRM content won't play.
Every Firefox user globally must update; failure to do so will result in a broken browsing experience and security risks.
Root certificates authenticate websites and software, and their absence exposes users to risks of malicious software.
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