In Wireshark 2.2.0 to 2.2.6, the IPv6 dissector could crash. This was addressed in epan/dissectors/packet-ipv6.c by validating an IPv6 address.
https://www.wireshark.org/security/wnpa-sec-2017-33.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13675
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1303