CentOS Errata and Security Advisory 2007:0737
https://rhn.redhat.com/errata/RHSA-2007-0737.html
The following updated files have been uploaded and are currently syncing to the mirrors:
s390: updates/s390/RPMS/pam-0.77-66.23.s390.rpm updates/s390/RPMS/pam-devel-0.77-66.23.s390.rpm
s390x: updates/s390x/RPMS/pam-0.77-66.23.s390x.rpm updates/s390x/RPMS/pam-devel-0.77-66.23.s390x.rpm