CVE-2008-4163: Unspecified vulnerability in ISC BIND 9.3.5-P2-W1, 9.4.2-P2-W1, and 9.5.0-P2-W1 on Windows allows remote at...

Security readout for executives and security teams

This is an old denial-of-service issue in specific Windows builds of ISC BIND. A remote attacker could cause BIND's UDP client handler to terminate, potentially disrupting DNS service. The public record does not describe the triggering vector, severity score, or active exploitation. Exposure is mainly legacy Windows DNS servers running the named ISC BIND P2-W1 builds. Modern environments are unlikely to be affected unless old Windows BIND installations remain in production, lab networks, or unmanaged infrastructure. Treat this as a legacy availability risk. Prioritize only if the organization still operates Windows-based ISC BIND DNS using the affected 2008 builds, especially on externally reachable infrastructure. Mitigation focus: Inventory Windows hosts running ISC BIND and identify exact version strings.; Review ISC P2-W2 release announcements and vendor guidance for applicable upgrades.; Move affected P2-W1 builds to a supported fixed BIND version..

Prepared

Jun 28, 2026, 18:33 UTC (UTC+00:00)

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