CentOS Errata and Bugfix Advisory 2016:0486 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2016-0486.html

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

i386:
cac87744cf9107aa7ebe544088e0fdbfeaab0b6b282c1c67f70741259f289a01  zsh-4.3.11-4.el6.centos.2.i686.rpm
c5c6b2984eef1d40dd7eae8c47b1ada81ea316a5923f5e55e083c5b0c79b997e  zsh-html-4.3.11-4.el6.centos.2.i686.rpm

x86_64:
4f97d112d64a23991738e506cef95192301a199a815cb31aabae92253c8659cc  zsh-4.3.11-4.el6.centos.2.x86_64.rpm
d57e7ee96118b72123e46601c3657f15c388bcffaf2fb7aa8b966383af0da2f6  zsh-html-4.3.11-4.el6.centos.2.x86_64.rpm

Source:
8c2d4f07b27f13126a66d1dd23073a2fb9e08f02944bb873f3684facf090e173  zsh-4.3.11-4.el6.centos.2.src.rpm