CentOS Errata and Bugfix Advisory 2015:1157 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1157.html

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

x86_64:
d793394f0519c15b915ee29adbc5a50c60f5283a2119b620b610bcb07c7293b9  haproxy-1.5.4-4.el7_1.x86_64.rpm

Source:
26c6494386a4d6d17cf6c299badc3216ad770c2bb1fc7cb16265205f1a8aafcd  haproxy-1.5.4-4.el7_1.src.rpm