USN-4377-1: ca-certificates update
ca-certificates update
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
An expired certificate was removed from ca-certificates.
Software Description
- ca-certificates – Common CA certificates
Details
The ca-certificates package contained an expired CA certificate that caused
connectivity issues. This update removes the "AddTrust External Root" CA.
In addition, on Ubuntu 16.04 LTS and Ubuntu 18.04 LTS, this update
refreshes the included certificates to those contained in the 20190110
package.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 20.04 LTS
- ca-certificates – 20190110ubuntu1.1
- Ubuntu 19.10
- ca-certificates – 20190110ubuntu0.19.10.1
- Ubuntu 18.04 LTS
- ca-certificates – 20190110~18.04.1
- Ubuntu 16.04 LTS
- ca-certificates – 20190110~16.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
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