Hi,
https://rhn.redhat.com/errata/RHSA-2005-586.html
backported to compile agaist CentOS-3 level software. This is my bad. I forgot the damn thing while the firefox security update came out.
ia64: centosplus/ia64/RPMS/firefox-1.0.6-1.4.1.centos3.ia64.rpm centosplus/ia64/SRPMS/firefox-1.0.6-1.4.1.centos3.src.rpm
s390: centosplus/s390/RPMS/firefox-1.0.6-1.4.1.centos3.s390.rpm centosplus/s390/SRPMS/firefox-1.0.6-1.4.1.centos3.src.rpm
s390x: centosplus/s390x/RPMS/firefox-1.0.6-1.4.1.centos3.s390x.rpm centosplus/s390x/SRPMS/firefox-1.0.6-1.4.1.centos3.src.rpm