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

RHSA-2008:0558-01 Important: freetype security update

Files available:
freetype-utils-0-2.0.3-10.el21.i386
freetype-devel-0-2.0.3-10.el21.i386
freetype-0-2.0.3-10.el21.i386

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