USN-2918-1: pixman vulnerability

3 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 versions:

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