Updated Firefox packages has been released for CentOS 6

CentOS Errata and Security Advisory 2018:0526 Critical

Upstream details at : https://access.redhat.com/errata/RHSA-2018:0526

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

i386:
29059b6e8c894eef2944154ad9c3e5e98178bd2903a918ab1ab3b35098e1faf3 firefox-52.7.0-1.el6.centos.i686.rpm

x86_64:
29059b6e8c894eef2944154ad9c3e5e98178bd2903a918ab1ab3b35098e1faf3 firefox-52.7.0-1.el6.centos.i686.rpm
5ab36e9cf3534cc1af6c6ee3d6e302907235e8f8dd2b00f8003ea2e3ef98d272 firefox-52.7.0-1.el6.centos.x86_64.rpm

Source:
ae98346dd0287b8d7fe36edd4692a1980f4fcf1d53e7633307e33e67adfe9a71 firefox-52.7.0-1.el6.centos.src.rpm

  Firefox Security Update for CentOS 6