A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS
Ubuntu 8.04 LTS
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 6.06 LTS:
Ubuntu 8.04 LTS:
After a standard system upgrade you need to restart any applications that
use Imlib2 to effect the necessary changes.
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.