CentOS Errata and Bugfix Advisory 2015:1831 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1831.html

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

i386:
971d2c83179505af4521a9c962924c34a1b20df3ed39b8e036c7c14993e6d475  dovecot-2.0.9-19.el6_7.2.i686.rpm
d7c19807bd0fc080533987460a9dc2753c5c0249c1173ac778b11aeffc315715  dovecot-devel-2.0.9-19.el6_7.2.i686.rpm
d774b01db2ed7884b4ab29ae8d2da72e8ac3286aeea767ef4e475e56dafa8cd7  dovecot-mysql-2.0.9-19.el6_7.2.i686.rpm
1256c5af224d0aa49dd16993bc11ca25748c7bb4fa0dbe957ca36507cb4bc319  dovecot-pgsql-2.0.9-19.el6_7.2.i686.rpm
3a3d3afde4ac8d56240b42a87405f7c345ee3ae138b6923b233e2f8b3be0d29c  dovecot-pigeonhole-2.0.9-19.el6_7.2.i686.rpm

x86_64:
971d2c83179505af4521a9c962924c34a1b20df3ed39b8e036c7c14993e6d475  dovecot-2.0.9-19.el6_7.2.i686.rpm
07e768a1327a879925edaf8a0f184b68bc95438acbad90ec294555b0406dc49c  dovecot-2.0.9-19.el6_7.2.x86_64.rpm
cf97e2b0fd95821c733cafeb15a7daf55f9ca3dd286f49312f100f01a1624311  dovecot-devel-2.0.9-19.el6_7.2.x86_64.rpm
c2a2f4129974af512d0f1d6a74cc409313f393d502fc1ca86c3fd366ce99b9c7  dovecot-mysql-2.0.9-19.el6_7.2.x86_64.rpm
176b94fc8f68716f052c9b89532b22b37493bb227bd74d1ac8e80f8c50f77fa3  dovecot-pgsql-2.0.9-19.el6_7.2.x86_64.rpm
0471d01f64fdb944604c35c6d8c40881dde14a7359a27b0e36cc6185b7c17a19  dovecot-pigeonhole-2.0.9-19.el6_7.2.x86_64.rpm

Source:
a2c15b3a4b9ffeaefb65a5bbb6147fc71c7d9ec7df30eee8c2f3abf0ef6bba88  dovecot-2.0.9-19.el6_7.2.src.rpm