New BIND 9 versions available at https://ftp.isc.org/isc/bind that fix a couple of security issue (denial-of-service), more information is provided in the following Security Advisories:
https://kb.isc.org/docs/cve-2023-4408
https://kb.isc.org/docs/cve-2023-5517
https://kb.isc.org/docs/cve-2023-5679
https://kb.isc.org/docs/cve-2023-5680
https://kb.isc.org/docs/cve-2023-6516
https://kb.isc.org/docs/cve-2023-50387
https://kb.isc.org/docs/cve-2023-50868