epan/dissectors/packet-h225.c in the H.225 dissector in Wireshark 2.x before 2.0.6 calls snprintf with one of its input buffers as the output buffer, which allows remote attackers to cause a denial of service (copy overlap and application crash) via a crafted packet.
www.debian.org/security/2016/dsa-3671
www.securitytracker.com/id/1036760
bugs.wireshark.org/bugzilla/show_bug.cgi?id=12700
code.wireshark.org/review/16852
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6d8261994bb928b7e80e3a2478a3d939ea1ef373
www.wireshark.org/security/wnpa-sec-2016-51.html