From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux 2.2.17-14 i686; en-US; 0.8)
Gecko/20010217


rpm does not recognise the security update sudo-1.6.3p6-0.6x as an update
to sudo-1.6.3p5-1:

[root@alice /root]# rpm -q sudo
sudo-1.6.3p5-1
[root@alice /root]# rpm -Uvh sudo-1.6.3p6-0.6x.i386.rpm 
Preparing...                ########################################### [100%]
package sudo-1.6.3p5-1 (which is newer than sudo-1.6.3p6-0.6x) is already
installed

Reproducible: Always
Steps to Reproduce:
1.download and install the original package sudo-1.6.3p5-1
2.download the update package sudo-1.6.3p6-0.6x
3.attempt to upgrade to the update pacakge with "rpm -Uvh"
	

Actual Results:  The update package will not install without being forced
to update to an "older" package.

Expected Results:  The update should install as an upgrade.