CVE-2016-6171

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CVSS 3.1

8.6 high

EPSS

3%p86

Published

Feb 9, 2017 (Feb 9, 2017)

Modified

Jun 17, 2026

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.

Vendors: knot-dns
Products: knot dns
Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.8%)

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