USN-2918-1: pixman vulnerability

Ubuntu Security Notice USN-2918-1

3rd March, 2016

pixman vulnerability

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

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

pixman could be made to crash or run programs as your login if it processed
specially crafted data.

Software description

  • pixman
    – pixel-manipulation library for X and cairo

Details

Vincent LE GARREC discovered an integer underflow in pixman. If a user were
tricked into opening a specially crafted file, a remote attacker could
cause pixman to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions

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

Ubuntu 14.04 LTS:
libpixman-1-0

0.30.2-2ubuntu1.1
Ubuntu 12.04 LTS:
libpixman-1-0

0.30.2-1ubuntu0.0.0.0.3

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart your session to make
all the necessary changes.

References

CVE-2014-9766

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