USN-3814-2: ClamAV vulnerabilities

13 November 2018

clamav vulnerabilities

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

  • Ubuntu 14.04 LTS


Several security issues were fixed in ClamAV.

Software Description

  • clamav - Anti-virus utility for Unix


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-3814-1 fixed several vulnerabilities in libmspack. In Ubuntu 14.04 libmspack is included into ClamAV. This update provides the corresponding update for Ubuntu 14.04 LTS.

Original advisory details:

It was discovered libmspack incorrectly handled certain malformed CAB files. A remote attacker could use this issue to cause libmspack to crash, resulting in a denial of service. (CVE-2018-18584, CVE-2018-18585)

Update instructions

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

Ubuntu 14.04 LTS
clamav - 0.100.2+dfsg-1ubuntu0.14.04.2

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.