The following updates has been released for CentOS:

CEBA-2015:1016 CentOS 6 bind BugFix Update
CESA-2015:1012 Important CentOS 5 thunderbird Security Update
CESA-2015:1012 Important CentOS 6 thunderbird Security Update

CEBA-2015:1016 CentOS 6 bind BugFix Update

CentOS Errata and Bugfix Advisory 2015:1016

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1016.html

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

i386:
21796f7651ea8edf0abcc5e18eea10e7f8dcdf5e1370b7f9c57e7f28794861fe bind-9.8.2-0.30.rc1.el6_6.3.i686.rpm
fd99c7e076ebd7dca6c22cd30839eaf38ff922a605757a3137ef7b2b6d0f09c4 bind-chroot-9.8.2-0.30.rc1.el6_6.3.i686.rpm
65da55142c1c84308b48756f4638072fc68cdfd617fe96aff5d102e1e63757e8 bind-devel-9.8.2-0.30.rc1.el6_6.3.i686.rpm
dc1162f7e79cbecc4bc738dc4afd188a507a01f9125820a7b140c8b88aaa41ee bind-libs-9.8.2-0.30.rc1.el6_6.3.i686.rpm
a39e40e6018b0a9e2516e1f4183745d9e07612a0efe7e7a75f79e51e672aaed6 bind-sdb-9.8.2-0.30.rc1.el6_6.3.i686.rpm
f14b7f9e8edddd5a4591a019a68cea4ac9ada5d0b0b90cf2907a8615e3ae6b20 bind-utils-9.8.2-0.30.rc1.el6_6.3.i686.rpm

x86_64:
3460d7db849d92876eac3da4779697417077cef2623efd6154dc86cad3f24bed bind-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm
c505d86b72b6f7f48cca9166a28284cc42a05f325be0f298d958ae95679e4c78 bind-chroot-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm
65da55142c1c84308b48756f4638072fc68cdfd617fe96aff5d102e1e63757e8 bind-devel-9.8.2-0.30.rc1.el6_6.3.i686.rpm
8120eaa006287cabad1979df69ad93175eb9b24f6a8e73ec6b8cf99f2a26226b bind-devel-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm
dc1162f7e79cbecc4bc738dc4afd188a507a01f9125820a7b140c8b88aaa41ee bind-libs-9.8.2-0.30.rc1.el6_6.3.i686.rpm
5e2afa5d1109347fdd64537ff125bc2df0721104dc796781e485b01ba202ca42 bind-libs-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm
3ec3897f46363bd65be6f00798677fad0ac85af6be58362573d4d4d68926bc42 bind-sdb-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm
05f7970ed69dd28d992985c03b5276b7683cd57c257879844be16e0f48c65a9b bind-utils-9.8.2-0.30.rc1.el6_6.3.x86_64.rpm

Source:
bf3ff6c38ea828be36cd5019f2aa8ce96aebd760b8b3b23ffeaddae089fcc872 bind-9.8.2-0.30.rc1.el6_6.3.src.rpm

CESA-2015:1012 Important CentOS 5 thunderbird Security Update

CentOS Errata and Security Advisory 2015:1012 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2015-1012.html

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

i386:
017951e5e03b5565f74f4496298b8b7c9d231fd6011ba112f1ec81b755d24c90 thunderbird-31.7.0-1.el5.centos.i386.rpm

x86_64:
fb96c7d30dcefe60c58b718edac792610fa818b7705f2659e41c464a7e097087 thunderbird-31.7.0-1.el5.centos.x86_64.rpm

Source:
888bd17093cc65b0327c0c3d319585babde93413e4824866335d0c234abdcfea thunderbird-31.7.0-1.el5.centos.src.rpm

CESA-2015:1012 Important CentOS 6 thunderbird Security Update

CentOS Errata and Security Advisory 2015:1012 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2015-1012.html

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

i386:
bbfcda22cd70fbc5dfef4f55ae0805ec17600184187cb6772b84d2ac4488062a thunderbird-31.7.0-1.el6.centos.i686.rpm

x86_64:
345eafa65b4ec7f43cbecd3b574eddaf68ec5c6e8dd6f36c7e5d86f5718b20f9 thunderbird-31.7.0-1.el6.centos.x86_64.rpm

Source:
c00e1249fd68b76040de3d1d55e5defd32aef185e64be05469ddc6b765f2ee36 thunderbird-31.7.0-1.el6.centos.src.rpm