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CVE-2015-5477

ISC BIND Data Processing Errors Vulnerability

ISC · BIND · Added to KEV: 2026-10-08 · Snapshot: 2026-10-18T20:43:22.315380+00:00

CVSS base severity7.5HIGH · cvssMetricV31
EPSS probability99.41%Percentile: 99.94% · 2026-10-18
CISA KEVKnown exploitedKEV is a global exploitation signal, not an asset scan

Technical context

named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.

Action and remediation

Review the vendor advisory, determine affected versions, apply the vendor-supported fix or mitigation, and validate the change.

Check vendor advisories and affected-version data before remediation. Validate affected software, identify internet reachability and business criticality in your authorised environment, and confirm mitigating controls. No AI-generated fix is asserted as vendor guidance.

Evidence links

Exposure and confidence limitations

Shodan identifies observable services but does not independently prove exploitation or confirm every affected software version. CyberIntel does not join this CVE to arbitrary public host IPs. No Tenable VPR or Qualys TruRisk score is calculated or implied.