VULNERABILITY INTELLIGENCE

CVE-2006-4252

CVSS score5 MEDIUM
EPSS probability5.97%
CISA KEVNot currently listed
Published2006-11-14
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop.

Primary references