epan/dissectors/packet-ldss.c in the LDSS dissector in Wireshark 1.12.x before 1.12.13 and 2.x before 2.0.5 mishandles conversations, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
openwall.com/lists/oss-security/2016/07/28/3
www.debian.org/security/2016/dsa-3648
www.securitytracker.com/id/1036480
www.wireshark.org/security/wnpa-sec-2016-45.html
bugs.wireshark.org/bugzilla/show_bug.cgi?id=12662
code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=5a469ddc893f7c1912d0e15cc73bd3011e6cc2fb