VULNERABILITY INTELLIGENCE

CVE-2016-6171

CVSS score8.6 HIGH
EPSS probability2.80%
CISA KEVNot currently listed
Published2017-02-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Description

Knot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.

Weakness classification

  • CWE-400: Uncontrolled Resource Consumption

Primary references