============================================================================ Ubuntu Security Notice USN-2047-1 December 03, 2013 pixman vulnerability ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 13.10 - Ubuntu 13.04 - Ubuntu 12.10 - Ubuntu 12.04 LTS Summary: pixman could be made to crash if it opened a specially crafted file. Software Description: - pixman: pixel-manipulation library for X and cairo Details: 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. Update instructions: The problem can be corrected by updating your system to the following package versions: 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 After a standard system update you need to restart your session to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2047-1 https://launchpad.net/bugs/1197921 Package Information: https://launchpad.net/ubuntu/+source/pixman/0.30.2-1ubuntu0.1 https://launchpad.net/ubuntu/+source/pixman/0.28.2-0ubuntu1.1 https://launchpad.net/ubuntu/+source/pixman/0.26.0-3ubuntu0.1 https://launchpad.net/ubuntu/+source/pixman/0.24.4-1ubuntu0.1