Updated httpd packages has been released for CentOS 5-7:

CESA-2016:1421 Important CentOS 5 httpd Security Update
CESA-2016:1421 Important CentOS 6 httpd Security Update
CESA-2016:1422 Important CentOS 7 httpd Security Update

CESA-2016:1421 Important CentOS 5 httpd Security Update

CentOS Errata and Security Advisory 2016:1421 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-1421.html

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

i386:
ac324ee1118faf46ee81d043ab13428793816c78504177bd02be559ca45a0ad6 httpd-2.2.3-92.el5.centos.i386.rpm
7f507c251a02932b0530bcc9bbe3b684bcf333a8a55d159bd74ec45b907c7b74 httpd-devel-2.2.3-92.el5.centos.i386.rpm
9962fc21bb56a8db59b53c5a70cdbdb9288de76b4852cd93342d35edf99c93c4 httpd-manual-2.2.3-92.el5.centos.i386.rpm
193e7f1e8866422650c4fc3681ad7b8eb303ca94fbb271fc0f8e269da41ec44d mod_ssl-2.2.3-92.el5.centos.i386.rpm

x86_64:
89c1aceb70086393b296f085cb3c1aadb2236f53d91028d24b65756d5e5ec0e6 httpd-2.2.3-92.el5.centos.x86_64.rpm
7f507c251a02932b0530bcc9bbe3b684bcf333a8a55d159bd74ec45b907c7b74 httpd-devel-2.2.3-92.el5.centos.i386.rpm
68223ae197beab75b2a2f18595659c5f00a2abce6af6949439098b3307b81a55 httpd-devel-2.2.3-92.el5.centos.x86_64.rpm
c64e7002d0b3e256e58ebed1f1e298f47952ccb85d81bdd364e3970056993b9b httpd-manual-2.2.3-92.el5.centos.x86_64.rpm
5961b5567d7d8449ce917c2b0d3ce0c0bdcb268335d0a472b9600a33c99ce4d8 mod_ssl-2.2.3-92.el5.centos.x86_64.rpm

Source:
9797c288db36a2b5610c73d9334b932ad6be5b11f259389c4e8159bdeeec7912 httpd-2.2.3-92.el5.centos.src.rpm

CESA-2016:1421 Important CentOS 6 httpd Security Update

CentOS Errata and Security Advisory 2016:1421 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-1421.html

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

i386:
7cfbd11f14fc880c3a658124c3124a3b4c26402790eef913f38c3468c0038922 httpd-2.2.15-54.el6.centos.i686.rpm
21388bbbc70030b07395f9f2eb7ede8c160afc19e5d661543ddd42ba53c2e8cf httpd-devel-2.2.15-54.el6.centos.i686.rpm
4cfb8a97a60511a419c6b8e46f9eacfb6f702831ca3567313f927209b6fa5e39 httpd-manual-2.2.15-54.el6.centos.noarch.rpm
1a6a381d445b88f636453f7c7d039517adccac56aef9dc03127ce46e8e284246 httpd-tools-2.2.15-54.el6.centos.i686.rpm
7b187e5603d64d06f1983e96934a8f6da181220033cf989d2aa56bdfd629b791 mod_ssl-2.2.15-54.el6.centos.i686.rpm

x86_64:
906becc435e278c73dfbdf10f4f1f704b7c1fff2963037c1e3b4a2eafd795f09 httpd-2.2.15-54.el6.centos.x86_64.rpm
21388bbbc70030b07395f9f2eb7ede8c160afc19e5d661543ddd42ba53c2e8cf httpd-devel-2.2.15-54.el6.centos.i686.rpm
a87645e89f72a6e9362e41251d3c1be797ce31a7b7a643f0fe506f3ab506acf2 httpd-devel-2.2.15-54.el6.centos.x86_64.rpm
4cfb8a97a60511a419c6b8e46f9eacfb6f702831ca3567313f927209b6fa5e39 httpd-manual-2.2.15-54.el6.centos.noarch.rpm
4935ca24dabd3a45f83518174ea1ab5b1b0c8d281cce4db5df04f52e5743fc9c httpd-tools-2.2.15-54.el6.centos.x86_64.rpm
94ae91901d174c21c68f50d638027ecf4ab14aba483f7294107af9192b2adfb1 mod_ssl-2.2.15-54.el6.centos.x86_64.rpm

Source:
5c7a92dbb6c6503be4ccd1e270c6ce96c42c61dcafc4495fe7f2c66d2c06f7cd httpd-2.2.15-54.el6.centos.src.rpm

CESA-2016:1422 Important CentOS 7 httpd Security Update

CentOS Errata and Security Advisory 2016:1422 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-1422.html

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

x86_64:
045c43a0da2efc68117105e9018c475dc4cbb90a98aeb06542973ce953af1040 httpd-2.4.6-40.el7.centos.4.x86_64.rpm
16550ea80cc0241c3e25fece54a8ee4592fa1183056d8b72f0cd82278817554e httpd-devel-2.4.6-40.el7.centos.4.x86_64.rpm
9db85efe6e5a599a11eb853e9133e7f2e07b32cb5029c8f360bd8b9664ba31c8 httpd-manual-2.4.6-40.el7.centos.4.noarch.rpm
b2f351116f23f0bef4293f62430cf6028d5b174823af5d1e53ad4c86c70ac14b httpd-tools-2.4.6-40.el7.centos.4.x86_64.rpm
388627215a1cf1cea9eac7ced702226998663154b63d10e93399a31ca3591f7e mod_ldap-2.4.6-40.el7.centos.4.x86_64.rpm
9f3104a304983a1ccf7fac98abca9a0ca411624d7ee2c998c8f1db5efb94c5b5 mod_proxy_html-2.4.6-40.el7.centos.4.x86_64.rpm
cbdf94bb93b19fb4f4dbe452a3b2b2988e028bde5376782a0ec0185815b9a893 mod_session-2.4.6-40.el7.centos.4.x86_64.rpm
3f72250641bc96c5c190e933b496352c65318474492806b99ed0cab4cdbefd9d mod_ssl-2.4.6-40.el7.centos.4.x86_64.rpm

Source:
fc08ade63965c80e7ae80bcaef7cbbb496d76ec3e8e03409b1a223af657ef98f httpd-2.4.6-40.el7.centos.4.src.rpm