CentOS Errata and Security Advisory 2006:0328
https://rhn.redhat.com/errata/RHSA-2006-0328.html
The following updated files have been uploaded and are currently syncing to the mirrors:
files: centosplus/ia64/RPMS/firefox-1.0.8-1.4.1.centos3.ia64.rpm
source: centosplus/SRPMS/firefox-1.0.8-1.4.1.centos3.src.rpm