1. Ubuntu Security Notices
  2. USN-4066-1

USN-4066-1: libmspack vulnerability

Publication date

18 July 2019

Overview

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

Releases

Packages

  • libmspack - library for Microsoft compression formats

Details

It was discovered that libmspack incorrectly handled certain CHM files.
A remote attacker could possibly use this issue to access sensitive information.

It was discovered that libmspack incorrectly handled certain CHM files.
A remote attacker could possibly use this issue to access sensitive information.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libmspack0 –  0.6-3ubuntu0.3
16.04 xenial libmspack0 –  0.5-1ubuntu0.16.04.4

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References

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