CVE-2014-4670
Use-after-free vulnerability in ext/spl/spl_dllist.c in the SPL component in PHP through 5.5.14 allows context-dependent attackers to cause a denial of service or possibly have unspecified other impact via crafted iterator usage within applications in certain web-hosting environments.
Date published : 2014-07-10
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html