USN-4066-1: libmspack vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
libmspack could be made to expose sensitive information if it received
a specially crafted CHM file.
- libmspack – library for Microsoft compression formats
It was discovered that libmspack 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.