This update for wicked fixes the following issues: - CVE-2019-18902: Fixed a use-after-free when receiving invalid DHCP6 client options . - CVE-2019-18903: Fixed a use-after-free when receiving invalid DHCP6 IA_PD option . - CVE-2020-7216: Fixed a potential denial of service via a memory leak when processing packets with missing message type option in DHCP4 . - CVE-2020-7217: Fixed a memory leak in DHCP4 fsm when processing packets for other client ids .