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USN-4066-2: ClamAV vulnerability

22 July 2019

ClamAV could be made to expose sensitive information if it received a specially crafted CHM file.



  • clamav - Anti-virus utility for Unix


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.

Update instructions

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

Ubuntu 14.04
Ubuntu 12.04

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


Related notices

  • USN-4066-1: libmspack-doc, libmspack-dev, libmspack, libmspack0