CVE-2012-3817: ISC BIND

High severity, CVSS 7.8. EPSS: 23.7% chance of exploitation in the next 30 days.

ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.

Affected products

• ISC BIND: version 9.4 only; version 9.4.0 only; version 9.4.1 only; version 9.4.2 only; version 9.4.3 only; version 9.5 only; …

Published 2012-07-25. Last modified 2026-06-16.