CentOS Errata and Bugfix Advisory 2015:1553 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1553.html

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

x86_64:
e0859f8a8c3a71c9f8968a74af63b886031c6c4bfb8eba5a8b235f8b33308af8  ksh-20120801-22.el7_1.2.x86_64.rpm

Source:
12d3644a8f57d41bd2ee48644d7b80a323e251d58dca3b26d3ee4aa614c78e81  ksh-20120801-22.el7_1.2.src.rpm