In Wireshark 2.2.0 to 2.2.1 and 2.0.0 to 2.0.7, the AllJoyn dissector could crash with a buffer over-read, triggered by network traffic or a capture file. This was addressed in epan/dissectors/packet-alljoyn.c by ensuring that a length variable properly tracked the state of a signature variable.
https://www.wireshark.org/security/wnpa-sec-2016-59.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12953
http://www.securitytracker.com/id/1037313