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Ubuntu Security Notice USN-5473-2
July 13, 2022

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

- Ubuntu 16.04 ESM

Summary:

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

Software Description:
- ca-certificates: Common CA certificates

Details:

USN-5473-1 updated ca-certificates. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

 The ca-certificates package contained outdated CA certificates. This update
 refreshes the included certificates to those contained in the 2.50 version
 of the Mozilla certificate authority bundle.

Update instructions:

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

Ubuntu 16.04 ESM:
  ca-certificates                 20211016~16.04.1~esm1

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

References:
  https://ubuntu.com/security/notices/USN-5473-2
  https://ubuntu.com/security/notices/USN-5473-1
  https://launchpad.net/bugs/1976631