1. Ubuntu Security Notices
  2. USN-550-1

USN-550-1: Cairo vulnerability

Publication date

3 December 2007

Overview

Cairo vulnerability

Releases

Packages

Details

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
7.10 gutsy libcairo2 –  1.4.10-1ubuntu4.1
7.04 feisty libcairo2 –  1.4.2-0ubuntu1.1
6.10 edgy libcairo2 –  1.2.4-1ubuntu2.1
6.06 dapper libcairo2 –  1.0.4-0ubuntu1.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›