bind is vulnerable to denial of service (DoS). The vulnerability exists when a server is configured with both QNAME minimization and ‘forward first’, and a user who can send queries to it may be able to trigger the condition that will cause the server to crash.
lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
kb.isc.org/docs/cve-2020-8621
security.gentoo.org/glsa/202008-19
security.netapp.com/advisory/ntap-20200827-0003/
usn.ubuntu.com/4468-1/
www.synology.com/security/advisory/Synology_SA_20_19