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

RHSA-2004:383-01 Updated glibc packages fix flaws

Files available: glibc-2.2.4-32.17.i386.rpm: glibc-common-2.2.4-32.17.i386.rpm: glibc-devel-2.2.4-32.17.i386.rpm: glibc-profile-2.2.4-32.17.i386.rpm: nscd-2.2.4-32.17.i386.rpm: glibc-2.2.4-32.17.i686.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