An issue was discovered in Docker Engine before 19.03.11. An attacker in a container, with the CAP_NET_RAW capability, can craft IPv6 router advertisements, and consequently spoof external IPv6 hosts, obtain sensitive information, or cause a denial of service.
https://www.debian.org/security/2020/dsa-4716
https://security.netapp.com/advisory/ntap-20200717-0002/
https://security.gentoo.org/glsa/202008-15
https://github.com/docker/docker-ce/releases/tag/v19.03.11
https://docs.docker.com/engine/release-notes/
http://www.openwall.com/lists/oss-security/2020/06/01/5
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00040.html