The following errata for CentOS-2 have been built and uploaded the the centos mirror:

RHSA-2004:465-01 Updated imlib package fixes security vulnerability

Files available: imlib-1.9.13-4.2.i386.rpm imlib-cfgeditor-1.9.13-4.2.i386.rpm imlib-devel-1.9.13-4.2.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