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First seenOct 20, 2026
Last mentioned5d ago

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Ubuntu removes emSign and Comodo root CAs on older LTS

USN-8944-2 drops both roots on Ubuntu 14.04, 16.04, 18.04, and 20.04 LTS after compromised emSign intermediates.

Ubuntu Security Noticesupdated Oct 21, 17:40 UTC · 4d agofirst Oct 20, 21:21 UTC · 5d agoAdvisory 3 sources1

Ubuntu removes emSign ECC Root CA - G3 after CA compromise

22.04, 24.04 and 26.04 LTS also refresh ca-certificates to the Mozilla 2.90 authority bundle.

Ubuntu Security Noticesupdated Oct 21, 17:40 UTC · 4d agofirst Oct 20, 15:52 UTC · 5d agoAdvisory 3 sources

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Ubuntuvendor · 2
Mozillaorganization · 1

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