Updated openmotif packages are available for CentOS-2
Files available:
openmotif-2.1.30-13.21AS.4.i386.rpm
openmotif-devel-2.1.30-13.21AS.4.i386.rpm
More details are available from the RedHat web site at
https://rhn.redhat.com/errata/rh21as-errata.html
The easy way to make sure you are up to date with all the latest patches is to run:
# yum update