CentOS Errata and Bugfix Advisory 2015:1502 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1502.html

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

x86_64:
e63172b846cfe2080b07318bb6d450e1b57ec032e02d2536d9ab56070b22d0c9  gzip-1.5-8.el7.x86_64.rpm

Source:
81586538b15af44777302a5806f1ea675f1adcaf9d4d8e1cac68dd910d5510b9  gzip-1.5-8.el7.src.rpm