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.
lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
bugs.wireshark.org/bugzilla/show_bug.cgi?id=16394
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=73c5fff899f253c44a72657048aec7db6edee571
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=a2530f740d67d41908e84434bb5ec99480c2ac2e
security.gentoo.org/glsa/202007-13
www.wireshark.org/security/wnpa-sec-2020-06.html