CentOS Errata and Security Advisory 2005:807
https://rhn.redhat.com/errata/RHSA-2005-807.html
The following updated files have been uploaded and are currently syncing to the mirrors:
s390: updates/s390/RPMS/curl-7.12.1-6.rhel4.s390.rpm updates/s390/RPMS/curl-devel-7.12.1-6.rhel4.s390.rpm
s390x: updates/s390x/RPMS/curl-7.12.1-6.rhel4.s390x.rpm updates/s390x/RPMS/curl-devel-7.12.1-6.rhel4.s390x.rpm