It was reported that Wireshark's Modbus dissector could crash. It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file. Upstream bug(s): https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925 External References: https://www.wireshark.org/security/wnpa-sec-2017-40.html