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RE: LeoThread 2024-10-31 10:28

Mozilla advises Firefox users to update if they want browser add-ons to keep working

Mozilla is reminding Firefox users that a necessary root certificate expires soon and that older browser versions could become a security and usability nightmare in a few...

In context: Root certificates are an essential element for modern browser security. They protect users by verifying signed web pages, extensions, and other types of content. However, developers must update root certificates constantly; otherwise, the root of the trust chain breaks, and everything goes down the drain.

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Mozilla is reminding Firefox users that a necessary root certificate expires soon and that older browser versions could become a security and usability nightmare in a few months. Starting March 14, 2025, Firefox versions older than 128 (ESR 115.13) containing the expired certificate will likely cause "significant" issues with add-ons, content signing, and streaming of DRM-protected media.

Failing to update Firefox before next March means losing features relying on remote functionality. Many installed add-ons will become disabled, and other systems that require content verification could also break. The issue affects Firefox editions for Android and Windows operating systems, including Windows, macOS, and Linux. Those with iPhone or iPad versions of Firefox should be okay.

Mozilla's FAQs explain that a root certificate authenticates browser content as trusted. When a certificate expires, Firefox cannot verify content anymore. The newest versions of Firefox and other Mozilla software using the same root-of-trust model include a new root certificate that will prevent the expiration issue in March 2025.