[tomek@vz]

A critical root certificate expiring on March 14, 2025 will disable extensions and potentially break DRM-dependent streaming services for Firefox users running outdated browsers. Users must update to at least Firefox 128 or ESR 115.13+ to maintain functionality across Windows, macOS, Linux, and Android platforms.

The expiration additionally compromises security infrastructure, including blocklists for malicious add-ons, SSL certificate revocation lists, and password breach notifications. Even those on legacy operating systems (Windows 7/8/8.1, macOS 10.12â"10.14) must update to minimum ESR 115.13+.