epan/crypt/airpdcap.c in the IEEE 802.11 dissector in Wireshark 2.x before 2.0.4 mishandles certain length values, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
https://www.wireshark.org/security/wnpa-sec-2016-31.html
https://github.com/wireshark/wireshark/commit/b6d838eebf4456192360654092e5587c5207f185
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12175
http://www.securityfocus.com/bid/91140
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html