CVE-2025-59029

Internal logic flaw in cache management can lead to a denial of service in PowerDNS Recursor

Published Dec 9, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:powerdns:recursor:5.3.0:-:*:*:*:*:*:*
cpe:2.3:a:powerdns:recursor:5.3.1:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Powerdns
Powerdns recursor
Vendors & Products Powerdns
Powerdns recursor
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
Title Internal logic flaw in cache management can lead to a denial of service in PowerDNS Recursor
Weaknesses CWE-617
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OX
Published
Updated
Dec 9, 2025, 2:29 PM
Reserved
Sep 8, 2025, 2:22 PM
Status
Analyzed
Published
Dec 9, 2025, 4:17 PM
Modified
Oct 7, 2026, 8:10 PM
Severity
Moderate
Public date
Dec 9, 2025, 9:16 AM