CVE-2023-5680: ISC BIND

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

Affected products

• ISC BIND: version 9.11.3 only; version 9.11.4 only; version 9.11.5 only; version 9.11.6 only; version 9.11.7 only; version 9.11.8 only; …
• Netapp Active Iq Unified Manager: affected versions not specified

Published 2024-02-13. Last modified 2026-06-17.