SUSE-SU-2020:0264-1 Security update for wicked

This update for wicked fixes the following issues: - CVE-2019-18902: Fixed a use-after-free when receiving invalid DHCP6 client options bsc1160903. - CVE-2020-7216: Fixed a potential denial of service via a memory leak when processing packets with missing message type option in DHCP4 bsc1160905...