A ClamAV security update has been released for Ubuntu Linux 14.04 ESM, 16.04 ESM, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 22.10.

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Ubuntu Security Notice USN-5887-1
February 27, 2023

clamav vulnerabilities
==========================================================================

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

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in ClamAV.

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

Details:

Simon Scannell 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,
or execute arbitrary code. (CVE-2023-20032)

Simon Scannell discovered that ClamAV incorrectly handled parsing
DMG files. A remote attacker could possibly use this issue
to expose sensitive information. (CVE-2023-20052)

Update instructions:

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

Ubuntu 22.10:
clamav 0.103.8+dfsg-0ubuntu0.22.10.1

Ubuntu 22.04 LTS:
clamav 0.103.8+dfsg-0ubuntu0.22.04.1

Ubuntu 20.04 LTS:
clamav 0.103.8+dfsg-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
clamav 0.103.8+dfsg-0ubuntu0.18.04.1

Ubuntu 16.04 ESM:
clamav 0.103.8+dfsg-0ubuntu0.16.04.1+esm1

Ubuntu 14.04 ESM:
clamav 0.103.8+dfsg-0ubuntu0.14.04.1+esm1

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-5887-1
CVE-2023-20032, CVE-2023-20052

Package Information:
https://launchpad.net/ubuntu/+source/clamav/0.103.8+dfsg-0ubuntu0.22.10.1
https://launchpad.net/ubuntu/+source/clamav/0.103.8+dfsg-0ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/clamav/0.103.8+dfsg-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/clamav/0.103.8+dfsg-0ubuntu0.18.04.1