SUMMARY
cPanel, Inc. has updated RPMs for EasyApache 4 with PHP versions 5.6.33, 7.0.27, 7.1.13, and 7.2.1 and released EasyApache 3.34.20 with PHP version 5.6.33 on January 9, 2018. This release addresses vulnerabilities related to CVE-2015-8866. We strongly encourage all PHP 5.6 users to upgrade to versions 5.6.33, all PHP 7.0 users to upgrade to version 7.0.27, all PHP 7.1 users to upgrade to version 7.1.13, and all PHP 7.2 users to upgrade to version 7.2.1.

AFFECTED VERSIONS
All versions of PHP 5.6 through 5.6.32
All versions of PHP 7.0 through 7.0.26
All versions of PHP 7.1 through 7.1.12
All versions of PHP 7.2 through 7.2.0

SECURITY RATING
The National Vulnerability Database (NIST) has given the following severity ratings to these CVEs:

CVE-2015-8866 – HIGH
PHP 7.0.27
Fixed bug in LibXML related to CVE-2015-8866

PHP 7.1.13
Fixed bug in LibXML related to CVE-2015-8866

PHP 7.2.1
Fixed bug in LibXML related to CVE-2015-8866

Additional CVEs fixed but not assigned numbers yet for:
The GD extension for PHP 5.6.33, 7.0.27, 7.1.13, and 7.2.0
The Phar extension for PHP 5.6.33, 7.0.27, 7.1.13. and 7.2.0

SOLUTION
cPanel, Inc. has released updated RPMs for EasyApache 4 on January 9, 2018, with a updated versions of PHP versions 5.6.33, 7.0.27, 7.1.13, and 7.2.1. Unless you have enabled automatic RPM updates in your cron, update your system with either yum update or WHM’s Run System Update interface.

cPanel, Inc. has released EasyApache 3.34.20 with an updated versions of PHP 5.6.33. Unless you have disabled EasyApache updates, the EasyApache application updates to the latest version when launched. Run EasyApache to rebuild your profile with the latest version of PHP.

REFERENCES
https://nvd.nist.gov/vuln/detail/CVE-2015-8866
http://www.php.net/ChangeLog-5.php
http://www.php.net/ChangeLog-7.php

For the PGP signed message, please see EA4 EA3 2018-1-9 CVE