CVE-2013-5661: ISC BIND

Medium severity, CVSS 5.9. EPSS: 3.5% chance of exploitation in the next 30 days.

Cache Poisoning issue exists in DNS Response Rate Limiting.

Affected products

• ISC BIND: from 9.8.0, up to and including 9.9.0
• Nic Knot Resolver: before 1.3.0 (fixed in 1.3.0)
• Nlnetlabs Nsd: version 3.2.15 only
• Red Hat Enterprise Linux: version 6.0 only; version 7.0 only

Published 2019-11-05. Last modified 2026-06-16.