Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231. <a href"http://cwe.mitre.org/data/definitions/416.html">CWE-416: Use After Free</a>
Publication date: Mon, 30 Mar 2015 15:59:00 +0000