CentOS Errata and Security Advisory CESA-2006:0486
mailman security update for CentOS 4 x86_64: https://rhn.redhat.com/errata/RHSA-2006-0486.html
The following updated files have been uploaded and are currently syncing to the mirrors:
x86_64: mailman-2.1.5.1-34.rhel4.3.x86_64.rpm
src: mailman-2.1.5.1-34.rhel4.3.src.rpm