Updated bash packages are available for CentOS 5-7 and an updated haproxy package has been released for CentOS 7:

CESA-2014:1292 Moderate CentOS 7 haproxy Security Update
CESA-2014:1293 Critical CentOS 5 bash Security Update
CESA-2014:1293 Critical CentOS 6 bash Security Update
CESA-2014:1293 Critical CentOS 7 bash Security Update

CESA-2014:1292 Moderate CentOS 7 haproxy Security Update

CentOS Errata and Security Advisory 2014:1292 Moderate

Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-1292.html

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

x86_64:
b5a830332d0a677758c3c1e8fef496c3aa9383dbe01ac9674ea58b0499fd3035 haproxy-1.5.2-3.el7_0.x86_64.rpm

Source:
9dfeabe07b065faf98255272c072d884bffcf27a59732c78314e9f73339287d7 haproxy-1.5.2-3.el7_0.src.rpm

CESA-2014:1293 Critical CentOS 5 bash Security Update

CentOS Errata and Security Advisory 2014:1293 Critical

Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-1293.html

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

i386:
39f53e854969bb0bcbb280bf6581ec5857c086cdd727adc5eec9b7a9b7dcd0a6 bash-3.2-33.el5.1.i386.rpm

x86_64:
336202c14095622471275b4c4d55d49f16ee065d4f77dcef4ae5479cc67e11ad bash-3.2-33.el5.1.x86_64.rpm

Source:
c8ccac8652d7b44531ab0a76c6eb9b0209dcd1dddf149fb182d0471206704217 bash-3.2-33.el5.1.src.rpm

CESA-2014:1293 Critical CentOS 6 bash Security Update

CentOS Errata and Security Advisory 2014:1293 Critical

Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-1293.html

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

i386:
f17f9e203cc55846a050ce57efd67159e208ef8bd469633a471233e8b9c54a74 bash-4.1.2-15.el6_5.1.i686.rpm
11628832fb279e1bdca2cb8f403f7080fbab9fde554ed6ce3081344f92a93d7a bash-doc-4.1.2-15.el6_5.1.i686.rpm

x86_64:
eb8e41a4752e64c5c64371e5ae2ddbd5857b1e879832557a89fad195f4ab8f5b bash-4.1.2-15.el6_5.1.x86_64.rpm
16312fa5b190cd20b8ce2374e8ea2404aa17c849003dd080105e6225fc379df1 bash-doc-4.1.2-15.el6_5.1.x86_64.rpm

Source:
063b6c42042d97a7aa32f8d058947275085a95a1545d1fe018bdc888e4dc093f bash-4.1.2-15.el6_5.1.src.rpm

CESA-2014:1293 Critical CentOS 7 bash Security Update

CentOS Errata and Security Advisory 2014:1293 Critical

Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-1293.html

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

x86_64:
4274e74893b2e3f31704befbd4c0968c68f153bfcd869c286d6df0a269280e87 bash-4.2.45-5.el7_0.2.x86_64.rpm
e1bddc9814dd79c97b6c7f04a94178cfae8fb4ece1fbdab8e36172db16e527b9 bash-doc-4.2.45-5.el7_0.2.x86_64.rpm

Source:
06e77611ff4bb3014a34300277d94f43ad2f281e42eb86ee609a71d4e2c06174 bash-4.2.45-5.el7_0.2.src.rpm