CentOS Errata and Security Advisory 2009:0436 Critical https://rhn.redhat.com/errata/RHSA-2009-0436.html

The following updated files have been uploaded and are currently syncing to the mirrors:

x86_64: firefox-3.0.9-1.el4.centos.x86_64.rpm

src: firefox-3.0.9-1.el4.centos.src.rpm