In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.
https://www.wireshark.org/security/wnpa-sec-2020-06.html
https://security.gentoo.org/glsa/202007-13
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16394
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html