You should read the policy on backports of security fixes - RHEL (and thus CentOS) do not upgrade version numbers in mid-product cycle but RH backport security fixes to their own versions of the co... [by TrevorH]
I have ran yum update several times - I am 100% up to date as far as the standard repos are concerned. I am aware that CentOS / RHEL releases backport security fixes for software packages - such as Apache and PHP.
The second of Gerald's links provides the rationale as to why the version numbers do not change. As it say in that link, the Upstream Vendor backports all security fixes from the current code ... [by TrevorH]
Unless you need a feature from a newer release, it's always better to stick to the distro supplied versions of packages. They get timely security updates because Redhat backport the cha... [by TrevorH]
As a non-programmer and non-sysadmin, I have learned something from the forums about app version numbers in CentOS that I did not know before. Just sharing this resource, because I have read 2 or 3... [by dcmarti1]
This all worked fine but I noticed that the Bind version is still 9.8.1-P1 & since found out that Ubuntu 12.04.3 has not released the latest recommend Bind version of 9.8.6-P1 or even 9.9.4-P1 to this Ubuntu release which is
Google Chrome, a browser built on the Blink layout engine that aims to be minimalistic and versatile at the same time, is now at version 31.0.1650.63. A new Stable version of Google Chrome has been made available, this time incorporating a large number of security fixes. “This update includes 15 security fixes.