CVE-2012-5166: ISC BIND

High severity, CVSS 7.8. EPSS: 34.2% chance of exploitation in the next 30 days.

ISC BIND 9.x before 9.7.6-P4, 9.8.x before 9.8.3-P4, 9.9.x before 9.9.1-P4, and 9.4-ESV and 9.6-ESV before 9.6-ESV-R7-P4 allows remote attackers to cause a denial of service (named daemon hang) via unspecified combinations of resource records.

Affected products

• ISC BIND: version 9.0 only; version 9.0.0 only; version 9.0.1 only; version 9.1 only; version 9.1.0 only; version 9.1.1 only; …

Published 2012-10-10. Last modified 2026-06-16.