CentOS Errata and Enhancement Advisory 2015:0855 

Upstream details at : https://rhn.redhat.com/errata/RHEA-2015-0855.html

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

x86_64:
1bf3cd5dd8aee374357aa15a820aa14dfd5c23a5de3e33c48387cbddb8d15085  tzdata-2015c-1.el7.noarch.rpm
f14b8c39cce479da2d529cc4e32499184ff1b9fe894389952599f18b83c6c84f  tzdata-java-2015c-1.el7.noarch.rpm

Source:
151b89b427d7db50d39c1bb038a680305e9c0ec3789e0c8931e2942cffb8255c  tzdata-2015c-1.el7.src.rpm