CentOS Errata and Bugfix Advisory 2015:1556 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1556.html

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

x86_64:
81bdd99f061514432af0784a8e7f39fbf77143c71dbb26de3cd4c0d6b594273b  dnsmasq-2.66-14.el7_1.x86_64.rpm
7782e8fedb7b5b8bb1b487ce47603ae969ea7fdc6605605040bb475e3706aaad  dnsmasq-utils-2.66-14.el7_1.x86_64.rpm

Source:
32287b3019dbb8013fb7336f0a68924a12537948a89943c535ab99a8473c0532  dnsmasq-2.66-14.el7_1.src.rpm