epan/crypt/airpdcap.c in the IEEE 802.11 dissector in Wireshark 1.12.x before 1.12.12 and 2.x before 2.0.4 mishandles the lack of an EAPOL_RSN_KEY, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
https://www.wireshark.org/security/wnpa-sec-2016-30.html
https://github.com/wireshark/wireshark/commit/9b0b20b8d5f8c9f7839d58ff6c5900f7e19283b4
https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-6302
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11585
http://www.securityfocus.com/bid/91140
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html