CVE-2020-8619: Improper Resource Shutdown or Release

In ISC BIND9 versions BIND 9.11.14 - 9.11.19, BIND 9.14.9 - 9.14.12, BIND 9.16.0 - 9.16.3, BIND Supported Preview Edition 9.11.14-S1 - 9.11.19-S1: Unless a nameserver is providing authoritative service for one or more zones and at least one zone contains an empty non-terminal entry containing an...