USN-4230-1: ClamAV vulnerability

8 January 2020

clamav vulnerability

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

  • Ubuntu 19.10
  • Ubuntu 19.04
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS


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

Software Description

  • clamav - Anti-virus utility for Unix


It was discovered that ClamAV incorrectly handled certain MIME messages. 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 19.10
clamav - 0.102.1+dfsg-0ubuntu0.19.10.2
Ubuntu 19.04
clamav - 0.102.1+dfsg-0ubuntu0.19.04.2
Ubuntu 18.04 LTS
clamav - 0.102.1+dfsg-0ubuntu0.18.04.2
Ubuntu 16.04 LTS
clamav - 0.102.1+dfsg-0ubuntu0.16.04.2

To update your system, please follow these instructions:

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