CentOS Errata and Bugfix Advisory 2015:2511 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-2511.html

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

i386:
6e739781cb42d40a379b7bac1d944f738c6dd1069b17752adb90338be81523b5  passwd-0.77-7.el6.i686.rpm

x86_64:
98b6d3dd751b7c633f431bcedc85bdaa70c6a3fded5523bc509146a89b15e9d1  passwd-0.77-7.el6.x86_64.rpm

Source:
b1c817af58eabdd41efa66c7cd98ae9f14eaa367a5f9929a419cfe6bdab1e11c  passwd-0.77-7.el6.src.rpm