A ca-certificates update security update has been released for Ubuntu Linux 18.04 LTS, 20.04 LTS, 22.04 LTS, and 22.10.

USN-5761-1: ca-certificates update

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Ubuntu Security Notice USN-5761-1
December 05, 2022

ca-certificates update
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

A distrusted certificate authority has been removed from ca-certificates.

Software Description:
- ca-certificates: Common CA certificates

Details:

Due to security concerns, the TrustCor certificate authority has been
marked as distrusted in Mozilla's root store. This update removes the
TrustCor CA certificates from the ca-certificates package.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
ca-certificates 20211016ubuntu0.22.10.1

Ubuntu 22.04 LTS:
ca-certificates 20211016ubuntu0.22.04.1

Ubuntu 20.04 LTS:
ca-certificates 20211016ubuntu0.20.04.1

Ubuntu 18.04 LTS:
ca-certificates 20211016ubuntu0.18.04.1

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5761-1
https://launchpad.net/bugs/1998785

Package Information:
https://launchpad.net/ubuntu/+source/ca-certificates/20211016ubuntu0.22.10.1
https://launchpad.net/ubuntu/+source/ca-certificates/20211016ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/ca-certificates/20211016ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/ca-certificates/20211016ubuntu0.18.04.1