CentOS Errata and Bugfix Advisory 2015:2648 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-2648.html

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

i386:
bc75df824f61fdb452221ebb69653b2fdd9329cb16dbe069e9fa506055c29612  unzip-6.0-4.el6.i686.rpm

x86_64:
21cbf738e11dd401c608187487fbd9e2dcc808813965544333971f69788816b9  unzip-6.0-4.el6.x86_64.rpm

Source:
bfc2a0a346e99c7d5a7208e079d00073821708663377f391f5e9ed2fd67078fe  unzip-6.0-4.el6.src.rpm