The Internet Systems Consortium (ISC) has released security advisories that address security vulnerabilities (CVE-2025-40776, CVE-2025-40777) 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 9.18.38-S1, BIND 9.20.11-S1, BIND 9.20.11, BIND 9.21.10.

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