7948330fd4
CVE-2020-8625. also add more recently committed "Rollback setting IP_DONTFRAG option on the UDP sockets" patch fixing https://gitlab.isc.org/isc-projects/bind9/-/issues/2466 https://gitlab.isc.org/isc-projects/bind9/-/issues/2487 re https://kb.isc.org/docs/operational-notification-enabling-new-bind-option-stale-answer-client-timeout-can-result-in-unexpected-server-termination https://kb.isc.org/docs/operational-notification-zone-journal-jnl-file-incompatibility-after-upgrading-to-bind-91612-and-917