The Internet Systems Consortium (ISC) released security advisories to address vulnerabilities affecting multiple versions of ISC’s Berkeley Internet Name Domain (BIND) 9. A cyber threat actor could exploit one of these vulnerabilities to cause a denial-of-service condition.

CISA encourages users and administrators to review the following advisories and apply the necessary updates:

CVE-2023-50868
CVE-2023-50387
CVE-2023-6516
CVE-2023-5680
CVE-2023-5679
CVE-2023-5517
CVE-2023-4408