CentOS Errata and Bugfix Advisory 2015:1811 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1811.html

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

i386:
a732121d43926323882fa3d3915353221e61f27d5d42ae8c83082d0105728392  bash-4.1.2-33.el6_7.1.i686.rpm
f8ad24f27a19a6f5995ee6cb5bfc6a6153596719e69bd988f8072c5b19e6033c  bash-doc-4.1.2-33.el6_7.1.i686.rpm

x86_64:
826458427d489d10472843abb8785c08a5f25e223354f292c63cbc5e685cfc35  bash-4.1.2-33.el6_7.1.x86_64.rpm
b72cb0929fcf3fb7216c5b39beae126cf5c81040c2f866251bb7d831fc3f493d  bash-doc-4.1.2-33.el6_7.1.x86_64.rpm

Source:
f917ba1d5b4ded250eda214d48d6d99e1f656791613c58668205bf99107c07d9  bash-4.1.2-33.el6_7.1.src.rpm