CentOS Errata and Security Advisory 2008:1021
https://rhn.redhat.com/errata/RHSA-2008-1021.html
The following updated files have been uploaded and are currently syncing to the mirrors:
x86_64 enscript-1.6.1-33.el4_7.1.x86_64.rpm
src enscript-1.6.1-33.el4_7.1.src.rpm