CentOS Errata and Enhancement Advisory 2015:0913 

Upstream details at : https://rhn.redhat.com/errata/RHEA-2015-0913.html

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

i386:
17d079889c081ec38565a95ed34c0d5063b643d97d79da7f421ee423d324f547  tzdata-2015d-1.el6.noarch.rpm
29c5ce7a9f8b50743ee0d1d665525a2110eb6d6cc9a6e86289614d1b6b34fa34  tzdata-java-2015d-1.el6.noarch.rpm

x86_64:
17d079889c081ec38565a95ed34c0d5063b643d97d79da7f421ee423d324f547  tzdata-2015d-1.el6.noarch.rpm
29c5ce7a9f8b50743ee0d1d665525a2110eb6d6cc9a6e86289614d1b6b34fa34  tzdata-java-2015d-1.el6.noarch.rpm

Source:
36b196f2a6dd2f589917ae18efc38dab3b36849075569f1d0406533add310161  tzdata-2015d-1.el6.src.rpm