CVE-2014-9425
Double free vulnerability in the zend_ts_hash_graceful_destroy function in zend_ts_hash.c in the Zend Engine in PHP through 5.5.20 and 5.6.x through 5.6.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
Date published : 2014-12-30
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html