Updated Firefox packages has been released for CentOS 6

CentOS Errata and Security Advisory 2016:2843 Critical

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-2843.html

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

i386:
4272182e4744591510d2a8f695c4514ba5cd48ea53d1f4b730fea917ced95046 firefox-45.5.1-1.el6.centos.i686.rpm

x86_64:
4272182e4744591510d2a8f695c4514ba5cd48ea53d1f4b730fea917ced95046 firefox-45.5.1-1.el6.centos.i686.rpm
ec698684b1a62b6e27173e7a025cb354ab2f0f7a2f5ff19d76e0f410b4e18575 firefox-45.5.1-1.el6.centos.x86_64.rpm

Source:
d174016bedb5dc9b22630ceb8f15eb3ba11c2114baf4a5ba87bdf9fd9a4dd53c firefox-45.5.1-1.el6.centos.src.rpm

  Firefox Security Update for CentOS 6