epan/dissectors/packet-pktap.c in the Ethernet dissector in Wireshark 2.x before 2.0.4 mishandles the packet-header data type, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
https://www.wireshark.org/security/wnpa-sec-2016-37.html
https://github.com/wireshark/wireshark/commit/2c13e97d656c1c0ac4d76eb9d307664aae0e0cf7
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12440
http://www.securityfocus.com/bid/91140
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html