Ubuntu Security Notice USN-2047-1
3rd December, 2013
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.10
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
pixman could be made to crash if it opened a specially crafted file.
- pixman - pixel-manipulation library for X and cairo
Bryan Quigley discovered an integer underflow in pixman. If a user were
tricked into opening a specially crafted file, an attacker could cause a
denial of service via application crash.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 13.10:
- libpixman-1-0 0.30.2-1ubuntu0.1
- Ubuntu 13.04:
- libpixman-1-0 0.28.2-0ubuntu1.1
- Ubuntu 12.10:
- libpixman-1-0 0.26.0-3ubuntu0.1
- Ubuntu 12.04 LTS:
- libpixman-1-0 0.24.4-1ubuntu0.1
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.