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

RHSA-2007:0010-01 Moderate: koffice security update

Files available: koffice-1.1.1-2.3.i386.rpm koffice-devel-1.1.1-2.3.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