[USN-3814-1] libmspack vulnerabilities

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Ubuntu Security Notice USN-3814-1
November 12, 2018

libmspack vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its
derivatives:

– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in libmspack.

Software Description:
– libmspack: library for Microsoft compression formats

Details:

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:
libmspack0 0.7-1ubuntu0.1

Ubuntu 18.04 LTS:
libmspack0 0.6-3ubuntu0.2

Ubuntu 16.04 LTS:
libmspack0 0.5-1ubuntu0.16.04.3

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

References:
https://usn.ubuntu.com/usn/usn-3814-1
CVE-2018-18584, CVE-2018-18585

Package Information:
https://launchpad.net/ubuntu/+source/libmspack/0.7-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libmspack/0.6-3ubuntu0.2
https://launchpad.net/ubuntu/+source/libmspack/0.5-1ubuntu0.16.04.3

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