Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact by triggering a wddx_deserialize call on XML data containing a crafted var element.
git.php.net/?p=php-src.git%3Ba=commit%3Bh=b1bd4119bcafab6f9a8f84d92cd65eec3afeface
lists.apple.com/archives/security-announce/2016/May/msg00004.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
rhn.redhat.com/errata/RHSA-2016-2750.html
www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
www.securityfocus.com/bid/84271
www.securitytracker.com/id/1035255
www.ubuntu.com/usn/USN-2952-1
www.ubuntu.com/usn/USN-2952-2
bugs.php.net/bug.php?id=71587
php.net/ChangeLog-5.php
support.apple.com/HT206567