CentOS Errata and Bugfix Advisory 2015:0926 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-0926.html

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

i386:
9cf09be65c01f3876c743f591a07271d103ede1049568193f71cdfd90b5c0e87  nss-3.18.0-5.3.el6_6.i686.rpm
e7bcf073b1ad1df6d77e31cf60f6466d5587b764cefbe7ed40684b51ff18dc10  nss-devel-3.18.0-5.3.el6_6.i686.rpm
87a1640d57339268967305d4655dd6526feb71379366b86be8ab9aecf27d404e  nss-pkcs11-devel-3.18.0-5.3.el6_6.i686.rpm
0689ddac2e8043baaa62f84ddeaa0c32d02ed6b4e608d8189c79801bc69b4aa6  nss-sysinit-3.18.0-5.3.el6_6.i686.rpm
1cbabba45bd26fd493430b72a33dad9690a430c935c1df7ddac0474354a5aff5  nss-tools-3.18.0-5.3.el6_6.i686.rpm

x86_64:
9cf09be65c01f3876c743f591a07271d103ede1049568193f71cdfd90b5c0e87  nss-3.18.0-5.3.el6_6.i686.rpm
c3d3fbb83e11c962dd2ffbf275b73c9eea62310f4ea606f23c6fccafde77e360  nss-3.18.0-5.3.el6_6.x86_64.rpm
e7bcf073b1ad1df6d77e31cf60f6466d5587b764cefbe7ed40684b51ff18dc10  nss-devel-3.18.0-5.3.el6_6.i686.rpm
fe5058005b76f72a6989a8f54a9c3ce10a733ceaa6cad55fc82b25382a64a760  nss-devel-3.18.0-5.3.el6_6.x86_64.rpm
87a1640d57339268967305d4655dd6526feb71379366b86be8ab9aecf27d404e  nss-pkcs11-devel-3.18.0-5.3.el6_6.i686.rpm
40a8de66af760a8d4d7b4ebdf204374b430fbe1a2c4969fbf51ad00dcb963767  nss-pkcs11-devel-3.18.0-5.3.el6_6.x86_64.rpm
a785e4452ea26ed0086683e97f66dbbfdc38e1ce89f8227539181edf840c941a  nss-sysinit-3.18.0-5.3.el6_6.x86_64.rpm
62b2d559375d8cbc4e14f3a8c7533ec2328e017f50d704e044edcdf602b51739  nss-tools-3.18.0-5.3.el6_6.x86_64.rpm

Source:
115872a33180707d97e55a23ab457a07b5327d7bdbdd9644249c7b57eb0fd048  nss-3.18.0-5.3.el6_6.src.rpm