Solution
Please Install the Updated Packages.
Insight
A problem in rdesktop version 1.5.0 was discovered by upstream developers, which would crash it when used on a 16 bits display with a windows 2003 server system. The updated packages have been patched to correct this.
Affected
rdesktop on Mandriva Linux 2007.1,
Mandriva Linux 2007.1/X86_64