Protecting Firefox users after eMudhra cert compromise (blog.mozilla.org)

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Protecting Firefox users after eMudhra cert compromise

On Saturday, October 17, at 20:06 UTC, Mozilla received a report that private keys associated with eight eMudhra intermediate certificates had been compromised. These keys could allow attackers to issue ...

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A Mozilla security blog post explaining that private keys for eight eMudhra intermediate certificates were compromised and how Mozilla protected Firefox users. It describes immediate OneCRL blocking, follow-up Firefox releases, and an NSS root removal to protect other applications.

OneCRL blocked the affected intermediates within three hours
Firefox 158.0.1 and ESR updates distributed protection to custom-configured users
NSS 3.131.1 removes the signing root to protect other trust-store users

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Protecting Firefox users after eMudhra cert compromise was shared on NexURLs by Nexis on October 21, 2026, in News.

Checked October 23, 2026 from the site’s own code and public records. See how the rest of the web compares in the NexURLs Internet Report.

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What is Protecting Firefox users after eMudhra cert compromise?

Protecting Firefox users after eMudhra cert compromise (blog.mozilla.org): A Mozilla security blog post explaining that private keys for eight eMudhra intermediate certificates were compromised and how Mozilla protected Firefox users. It describes immediate OneCRL blocking, follow-up Firefox releases, and an NSS root removal to protect other applications.

Who shared Protecting Firefox users after eMudhra cert compromise on NexURLs?

It was shared by Nexis in October 2026. Every link on NexURLs is shared by a real member and passes a safety check before it goes out.

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Protecting Firefox users after eMudhra cert compromise