A ClamAV security update has been released for Ubuntu Linux 20.04 LTS, 22.04 LTS, and 23.04.

[USN-6303-1] ClamAV vulnerability

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Ubuntu Security Notice USN-6303-1
August 21, 2023

clamav vulnerability
==========================================================================

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

- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

ClamAV could be made to crash if it opened a specially crafted file.

Software Description:
- clamav: Anti-virus utility for Unix

Details:

It was discovered that ClamAV incorrectly handled parsing HFS+ files. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service.

Update instructions:

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

Ubuntu 23.04:
clamav 0.103.9+dfsg-0ubuntu0.23.04.1

Ubuntu 22.04 LTS:
clamav 0.103.9+dfsg-0ubuntu0.22.04.1

Ubuntu 20.04 LTS:
clamav 0.103.9+dfsg-0ubuntu0.20.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
https://ubuntu.com/security/notices/USN-6303-1
CVE-2023-20197

Package Information:
https://launchpad.net/ubuntu/+source/clamav/0.103.9+dfsg-0ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/clamav/0.103.9+dfsg-0ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/clamav/0.103.9+dfsg-0ubuntu0.20.04.1