An ni_dhcp4_parse_response memory leak in openSUSE wicked 0.6.55 and earlier allows network attackers to cause a denial of service by sending DHCP4 packets without a message type option.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-28348
https://bugzilla.suse.com/show_bug.cgi?id=1160905
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00005.html