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 ) 

i386:
977bbb795cbd1777d0ac5dd68558905896f5c31a7717ab1737cdcf36408fcfc3  tzdata-2015c-1.el5.i386.rpm
fae2f0b57d69a7974240b07974ccdb5336856d8d827a02f72c9dd71e17875d31  tzdata-java-2015c-1.el5.i386.rpm

x86_64:
d20ddd1890d3df6be0192c86b67a46684e32835f7a15b2200e03a44fd169a9d4  tzdata-2015c-1.el5.x86_64.rpm
f4703acadb371aac5fc0a189c0c3c396fb12ace5b7ced929851a4a725b4b48ab  tzdata-java-2015c-1.el5.x86_64.rpm

Source:
d791ea449383c825d38bc327e1fa60cd5c4a351fe5ae1e895f42682a5dadcfdc  tzdata-2015c-1.el5.src.rpm