CVE-2015-4620: name.c in named in ISC BIND 9.7.x through 9.9.x before 9.9.7-P1 and 9.10.x before 9.10.2-P2, when configure...

Security readout for executives and security teams

This vulnerability can crash ISC BIND DNS servers that act as recursive resolvers with DNSSEC validation enabled. A crash in DNS resolution can disrupt users, applications, VPNs, and other systems that depend on that resolver. The issue is old, but unmanaged legacy DNS servers remain relevant exposure. Exposure is most likely on legacy recursive BIND resolvers using DNSSEC validation, especially if recursion is reachable by untrusted networks. Authoritative-only BIND servers are not described as affected by the provided CVE text. Prioritize remediation where DNS resolvers support production users or external-facing services. The business risk is outage, not data theft. Treat internet-reachable or broadly accessible recursive resolvers as urgent; isolated patched systems are lower priority. Mitigation focus: Upgrade ISC BIND to 9.9.7-P1, 9.10.2-P2, or a vendor-backported fixed package.; Apply relevant vendor security updates from ISC, Red Hat, Debian, Ubuntu, Fedora, SUSE, or appliance vendors.; Restrict recursive resolver access to trusted clients and networks..

Prepared

Jun 13, 2026, 22:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.