Latest Validity Period of Root Certificate Used for Firefox Add-on Signature Verification
I understand that Firefox relies on both intermediate and root CA certificates for verifying add-on signatures. There was a recent incident where a root certificate expir… (funda okungaphezulu)
I understand that Firefox relies on both intermediate and root CA certificates for verifying add-on signatures. There was a recent incident where a root certificate expired on March 14, 2025, as noted in the following article: https://support.mozilla.org/en-US/kb/root-certificate-expiration
Could you please let me know the latest validity period (expiration date) of the root and intermediate certificates currently used for add-on signature verification in the latest version of Firefox (139.0.4)? I understand the certificates involved may vary depending on the add-on, but I would like to confirm this specifically for the following add-on:
X-Forwarded-For Header https://addons.mozilla.org/en-US/firefox/addon/x-forwarded-for-injector/
Thank you in advance for your assistance.