In Wireshark 2.4.0 to 2.4.3 and 2.2.0 to 2.2.11, the WCP dissector could crash. This was addressed in epan/dissectors/packet-wcp.c by validating the available buffer length.
www.securityfocus.com/bid/102500
bugs.wireshark.org/bugzilla/show_bug.cgi?id=14251
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=086b87376b988c555484349aa115d6e08ac6db07
lists.debian.org/debian-lts-announce/2018/01/msg00032.html
www.debian.org/security/2018/dsa-4101
www.wireshark.org/security/wnpa-sec-2018-04.html