PHP Other Vulnerability - CVE-2014-8142
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.36 5.5.x before 5.5.20 and 5.6.x before 5.6.4 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate keys within the serialized properties of an object a different vulnerability than CVE-2004-1019.