The IEEE 802.11 dissector in Wireshark 1.12.x before 1.12.11 and 2.0.x before 2.0.3 does not properly restrict element lists, which allows remote attackers to cause a denial of service (deep recursion and application crash) via a crafted packet, related to epan/dissectors/packet-capwap.c and epan/dissectors/packet-ieee80211.c.
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12187
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11824
http://www.wireshark.org/security/wnpa-sec-2016-21.html
http://www.securitytracker.com/id/1035685
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html