A ca-certificates update security update has been released for Ubuntu Linux 18.04 LTS, 20.04 LTS, 22.04 LTS, 22.10, and 23.04.

USN-6105-1: ca-certificates update

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Ubuntu Security Notice USN-6105-1
May 24, 2023

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

- Ubuntu 23.04
- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

The CA certificates in the ca-certificates package were updated.

Software Description:
- ca-certificates: Common CA certificates

Details:

The ca-certificates package contained outdated CA certificates. This update
refreshes the included certificates to those contained in the 2.60 version
of the Mozilla certificate authority bundle.

Update instructions:

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

Ubuntu 23.04:
ca-certificates 20230311ubuntu0.23.04.1

Ubuntu 22.10:
ca-certificates 20230311ubuntu0.22.10.1

Ubuntu 22.04 LTS:
ca-certificates 20230311ubuntu0.22.04.1

Ubuntu 20.04 LTS:
ca-certificates 20230311ubuntu0.20.04.1

Ubuntu 18.04 LTS:
ca-certificates 20230311ubuntu0.18.04.1

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

References:
https://ubuntu.com/security/notices/USN-6105-1
https://launchpad.net/bugs/2020089

Package Information:
https://launchpad.net/ubuntu/+source/ca-certificates/20230311ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/ca-certificates/20230311ubuntu0.22.10.1
https://launchpad.net/ubuntu/+source/ca-certificates/20230311ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/ca-certificates/20230311ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/ca-certificates/20230311ubuntu0.18.04.1