Description of problem: The mapserver version for RHEL 5 in EPEL is too old. Please add support for mapserver 5.
mapserver-5.6.8-1.el5 has been submitted as an update for Fedora EPEL 5. https://admin.fedoraproject.org/updates/mapserver-5.6.8-1.el5
Late but at least. You can test it from testing repository.
Package mapserver-5.6.8-1.el5: * should fix your issue, * was pushed to the Fedora EPEL 5 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=epel-testing mapserver-5.6.8-1.el5' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-EPEL-2012-13159/mapserver-5.6.8-1.el5 then log in and leave karma (feedback).
mapserver-5.6.8-1.el5 has been pushed to the Fedora EPEL 5 stable repository. If problems still persist, please make note of it in this bug report.