CentOS Errata and Security Advisory 2005:640
https://rhn.redhat.com/errata/RHSA-2005-640.html
The following updated files have been uploaded and are currently syncing to the mirrors:
s390: updates/s390/RPMS/fetchmail-6.2.0-3.el3.2.s390.rpm
s390x: updates/s390x/RPMS/fetchmail-6.2.0-3.el3.2.s390x.rpm