Updated TzDate packages has been released for CentOS 5, 6, and 7:

CEBA-2015:1126 CentOS 5 tzdata BugFix Update
CEBA-2015:1126 CentOS 6 tzdata BugFix Update
CEBA-2015:1126 CentOS 7 tzdata BugFix Update

CEBA-2015:1126 CentOS 5 tzdata BugFix Update

CentOS Errata and Bugfix Advisory 2015:1126

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1126.html

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

i386:
596bab75c1ac6771017d5f5deefcd0967892b27c1577cefa63a7c2d616127037 tzdata-2015e-1.el5.i386.rpm
203a043348758e453bf969be803f5a45e20875b6fc661e29633908a890e30a0c tzdata-java-2015e-1.el5.i386.rpm

x86_64:
e18dde468c80fb05660b9dc775b0fbeac72bfe6229eeddfaad9079c13593007d tzdata-2015e-1.el5.x86_64.rpm
dfdfc2943f4895c1f442790e3c6eec1c06ac6bf9333ebb832d30a2955aa9a5ea tzdata-java-2015e-1.el5.x86_64.rpm

Source:
c30989e8b0906552c9110b5c45e5f66d6a2a59b0da6becb1822d96f7651162f8 tzdata-2015e-1.el5.src.rpm

CEBA-2015:1126 CentOS 6 tzdata BugFix Update

CentOS Errata and Bugfix Advisory 2015:1126

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1126.html

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

i386:
996e33c46ec463508d62e2bac1e1c8a442dece2181ac718a03569c9cb5b959af tzdata-2015e-1.el6.noarch.rpm
50443711d1630b44ad0d8a70b12eb7c063dc0d02be1d000107bd6dd8935d130d tzdata-java-2015e-1.el6.noarch.rpm

x86_64:
996e33c46ec463508d62e2bac1e1c8a442dece2181ac718a03569c9cb5b959af tzdata-2015e-1.el6.noarch.rpm
50443711d1630b44ad0d8a70b12eb7c063dc0d02be1d000107bd6dd8935d130d tzdata-java-2015e-1.el6.noarch.rpm

Source:
3b368a691a92d168489832b3eef13c18252247846a05a916adf76e00adad3a22 tzdata-2015e-1.el6.src.rpm

CEBA-2015:1126 CentOS 7 tzdata BugFix Update

CentOS Errata and Bugfix Advisory 2015:1126

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1126.html

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

x86_64:
32585e406a8ae6756b86471181de5cc981b47753d4e14498710e4e0551803137 tzdata-2015e-1.el7.noarch.rpm
bed298646c5eeb57904c8b16e9b40211f9b299ff0eb02c3239cbc4dc2f8a6fcd tzdata-java-2015e-1.el7.noarch.rpm

Source:
a76b3b67db303982dc1463f3c98c7804a50d7f85de603d5661463e090eec3d07 tzdata-2015e-1.el7.src.rpm