VULNERABILITY INTELLIGENCE

CVE-2016-5427

CVSS score7.5 HIGH
EPSS probability62.98%
CISA KEVNot currently listed
Published2016-09-21
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Primary references