Here are updated packages in the Yum repository:

• PHP 5.6.7 for RHEL/CentOS 6/7 changelog
• PHP 5.5.23 for RHEL/CentOS 5/6/7 changelog
• PHP 5.4.39 for RHEL/CentOS 5/6/7 changelog

The PHP 5.6.7, 5.5.23 and 5.4.39 releases fixes 3 CVEs (along with other bug fixes):
* CVE-2015-0231
* CVE-2015-2305
* CVE-2015-2331