epan/dissectors/packet-qnet6.c in the QNX6 QNET dissector in Wireshark 2.x before 2.0.6 mishandles MAC address data, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.
https://www.wireshark.org/security/wnpa-sec-2016-50.html
https://code.wireshark.org/review/16965