ClamAV could be made to expose sensitive information if it received a specially crafted CHM file.
USN-4066-1 fixed a vulnerability in libmspack. This update provides the corresponding update for ClamAV in Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
22 July 2019
A security issue affects these releases of Ubuntu and its derivatives:
ClamAV could be made to expose sensitive information if it received a specially crafted CHM file.
USN-4066-1 fixed a vulnerability in libmspack. This update provides the corresponding update for ClamAV in Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that ClamAV incorrectly handled certain CHM files. A remote attacker could possibly use this issue to access sensitive information.
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.
Vulmon