Your submission was sent successfully! Close

USN-3814-1: libmspack vulnerabilities

12 November 2018

Several security issues were fixed in libmspack.



  • libmspack - library for Microsoft compression formats


It was discovered libmspack incorrectly handled certain malformed CAB files.
A remote attacker could use this issue to cause libmspack to crash, resulting
in a denial of service. (CVE-2018-18584, CVE-2018-18585)

Update instructions

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

Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04

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

Related notices

  • USN-3814-2: clamav, clamav-freshclam, libclamav-dev, clamav-docs, libclamav7, clamav-milter, clamav-testfiles, clamav-base, clamav-daemon
  • USN-3814-3: clamav