USN-697-1: Imlib2 vulnerability

Ubuntu Security Notice USN-697-1

22nd December, 2008

imlib2 vulnerability

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

  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 6.06 LTS

Software description

  • imlib2


It was discovered that Imlib2 did not correctly handle certain malformed XPM
and PNG images. If a user were tricked into opening a specially crafted image
with an application that uses Imlib2, an attacker could cause a denial of
service and possibly execute arbitrary code with the user's privileges.

Update instructions

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

Ubuntu 8.04 LTS:
libimlib2 1.4.0-1ubuntu1.2
Ubuntu 7.10:
Ubuntu 6.06 LTS:
libimlib2 1.2.1-2ubuntu0.4

To update your system, please follow these instructions:

After a standard system upgrade you need to restart any applications that
use Imlib2 to effect the necessary changes.