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

RHSA-2008:0965-01 Important: lynx security update

Files available: lynx-0-2.8.4-18.1.2.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