Several security issues were fixed in ClamAV.
Updated: 2018-11-21: The embedded version of libmspack in ClamAV was found to not be affected by the listed vulnerabilities, therefore the following is not applicable.
13 November 2018
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in ClamAV.
Updated: 2018-11-21: The embedded version of libmspack in ClamAV was found to not be affected by the listed vulnerabilities, therefore the following is not applicable.
USN-3814-2 fixed several vulnerabilities in clamav. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered ClamAV incorrectly handled certain malformed CAB files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2018-18584, CVE-2018-18585)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.