CVE-2002-1220: BIND 8.3.x through 8.3.3 allows remote attackers to cause a denial of service (termination due to assertion...

Security readout for executives and security teams

This is an old BIND DNS server denial-of-service flaw. A remote request can make affected BIND 8.3.x through 8.3.3 servers terminate. Business impact depends on whether any legacy DNS servers still run these versions; if exposed, DNS outages could disrupt websites, email routing, and internal name resolution. Likely exposure is limited to legacy or embedded systems still running BIND 8.3.x through 8.3.3. Internet-facing authoritative or recursive DNS services would be the most relevant assets to check. Treat as a legacy exposure cleanup item unless vulnerable BIND servers are Internet-facing or business-critical. Public DNS outage risk can be material even without data theft. Mitigation focus: Inventory DNS servers for BIND 8.3.x through 8.3.3.; Apply ISC or operating-system vendor BIND security updates.; Replace unsupported BIND 8 deployments with a maintained DNS server version..

Prepared

Jun 30, 2026, 03:57 UTC (UTC+00:00)

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