CentOS Errata and Security Advisory 2006:0164
https://rhn.redhat.com/errata/RHSA-2006-0164.html
The following updated files have been uploaded and are currently syncing to the mirrors:
i386: mod_auth_pgsql-2.0.1-7.1.i386.rpm
src: mod_auth_pgsql-2.0.1-7.1.src.rpm