=========================================================== Ubuntu Security Notice USN-453-2 April 26, 2007 rdesktop regression https://launchpad.net/bugs/104332 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 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: rdesktop 1.4.1-1.1ubuntu0.6.06 Ubuntu 6.10: rdesktop 1.4.1-1.1ubuntu0.6.10 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: USN-453-1 provided an updated libx11 package to fix a security vulnerability. This triggered an error in rdesktop so that it crashed on startup. This update fixes the problem.