CVE-2016-5427

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CVSS 3.0

7.5 high

EPSS

63%p99

Published

Sep 21, 2016 (Sep 21, 2016)

Modified

Jun 17, 2026

Description

PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.

Vendors: powerdns
Products: authoritative
Weakness: CWE-399
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (63.0%)

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