The Internet Systems Consortium (ISC) has released security advisories that address security vulnerabilities (CVE-2021-25220, CVE-2022-0396, CVE-2022-0635, CVE-2022-0667) affecting multiple versions of the ISC Berkeley Internet Name Domain (BIND). A remote attacker could exploit some of these vulnerabilities to cause a denial-of-service condition. These issues are fixed in BIND 9.11.37, BIND 9.16.27, BIND 9.18.1, BIND 9.11.37-S1, BIND 9.16.27-S1.

Users are advised to review ISC advisories and apply the necessary updates or workarounds – isc.org.