https://rhn.redhat.com/errata/RHSA-2005-039.html refers

Updated files are :-

updates/x86_64/RPMS/enscript-1.6.1-24.4.x86_64.rpm
updates/x86_64/SRPMS/enscript-1.6.1-24.4.src.rpm

To update run 'yum update enscript'