USN-550-1: Cairo vulnerability

3 December 2007

libcairo vulnerability

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

  • Ubuntu 7.10
  • Ubuntu 7.04
  • Ubuntu 6.10
  • Ubuntu 6.06 LTS

Software Description

  • libcairo


Peter Valchev discovered that Cairo did not correctly decode PNG image data. By tricking a user or automated system into processing a specially crafted PNG with Cairo, a remote attacker could execute arbitrary code with user privileges.

Update instructions

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

Ubuntu 7.10
libcairo2 - 1.4.10-1ubuntu4.1
Ubuntu 7.04
libcairo2 - 1.4.2-0ubuntu1.1
Ubuntu 6.10
libcairo2 - 1.2.4-1ubuntu2.1
Ubuntu 6.06 LTS
libcairo2 - 1.0.4-0ubuntu1.1

To update your system, please follow these instructions:

After a standard system upgrade you need to restart your session to effect the necessary changes.