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

RHSA-2004:447-01 Updated gdk-pixbuf packages fix security flaws

Files available: gdk-pixbuf-0.22.0-11.1.2E.i386.rpm gdk-pixbuf-devel-0.22.0-11.1.2E.i386.rpm gdk-pixbuf-gnome-0.22.0-11.1.2E.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