A security issue affects the following Ubuntu releases:
Ubuntu 6.06 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:
After a standard system upgrade you need to reboot your computer to
effect the necessary changes.
A format string vulnerability was discovered in the gdmchooser component
of the GNOME Display Manager. By typing a specially crafted host name,
local users could gain gdm user privileges, which could lead to further
account information exposure.