A libarchive vulnerability security update has been released for Ubuntu Linux 20.04 LTS and 21.10.

USN-5374-1: libarchive vulnerability

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Ubuntu Security Notice USN-5374-1
April 11, 2022

libarchive vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10
- Ubuntu 20.04 LTS

Summary:

libarchive could be made to expose sensitive information if it received a
specially crafted archive file.

Software Description:
- libarchive: Library to read/write archive files

Details:

It was discovered that libarchive incorrectly handled certain archive files.
An attacker could possibly use this issue to expose sensitive information.

Update instructions:

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

Ubuntu 21.10:
libarchive13 3.4.3-2ubuntu0.2

Ubuntu 20.04 LTS:
libarchive13 3.4.0-2ubuntu1.2

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

References:
  https://ubuntu.com/security/notices/USN-5374-1
CVE-2022-26280

Package Information:
  https://launchpad.net/ubuntu/+source/libarchive/3.4.3-2ubuntu0.2
  https://launchpad.net/ubuntu/+source/libarchive/3.4.0-2ubuntu1.2

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