Back to vendor advisories
Ubuntu Security NoticesUSN-8944-1

USN-8944-1: ca-certificates update

Severity not listed 0 CVEs Published Oct 20, 2026 at 3:52 PM UTC

Summary

This update removes the "emSign ECC Root CA - G3" CA certificate due to intermediate CA certificates being compromised.

In addition, in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS, the ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.90 version of the Mozilla certificate authority bundle.

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

This update removes the "emSign ECC Root CA - G3" CA certificate due to intermediate CA certificates being compromised.

CVEs in this advisory 0

No CVE identifiers were listed in the collected bulletin.

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.