CVE-2014-3622: php: post handler potential illegal efree() vulnerability

Severity: Critical

CVSS Score: 9.8

Use-after-free vulnerability in the add_post_var function in the Posthandler component in PHP 5.6.x before 5.6.1 might allow remote attackers to execute arbitrary code by leveraging a third-party filter extension that accesses a certain ksep value.