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USN-4066-1: libmspack vulnerability

18 July 2019

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

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

References

Related notices

  • USN-4066-2: clamav-testfiles, clamav-freshclam, clamav, libclamav7, clamav-daemon, libclamav-dev, clamav-milter, clamav-base, clamav-docs

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Further reading