If you use Firefox, you should check which version you currently have installed. On Friday, March 14, certain extensions and streaming services may stop working on older versions of Firefox.
The reason for this? The expiry of a critical root certificate. This also includes a version of DRM that’s required to use various streaming services like Netflix and Amazon Prime Video. The security tools integrated in Firefox could also be affected if you don’t update.
All Firefox versions older than Firefox 128 or Firefox ESR 115.13 are affected. If you haven’t updated your Firefox browser since 2024, or if you work in a company that doesn’t update regularly, you should act now.
What you can do about it
First things first, check which version of Firefox you’re currently using. To do this, open the three-line menu and navigate to Help > About Firefox. The browser version should be displayed there.
If your version is older than Firefox 128 or Firefox ESR 115.13, then you should update straight away so you can continue using all extensions and streaming services without interruption. You can get the latest version using the update checker in the About Firefox window, or as a direct download from Mozilla.
If you’re also using Firefox on Android, you should update that app as well. Navigate to Settings > Apps and find Firefox in the list (or find it using the search field). Select Firefox to see the installed version number shown all the way at the bottom. If it’s outdated, update your Firefox app via the Google Play Store.
Further reading: Easy browser tweaks to secure your web browsing
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