[USN-5374-1] libarchive vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Mon Apr 11 17:30:21 UTC 2022

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

libarchive vulnerability

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

- Ubuntu 21.10
- Ubuntu 20.04 LTS


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


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.


Package Information:
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