CVE-2025-30195

An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of service. The remedy is: upgrade to the patched 5.2.1 version. We would like to thank Volodymyr Ilyin for bringing this issue to our attention.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-01.html
http://www.openwall.com/lists/oss-security/2025/04/07/1

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) Un atacante puede publicar una zona que contenga conjuntos de registros de recursos específicos. El procesamiento y el almacenamiento en caché de los resultados de estos conjuntos pueden provocar accesos ilegales a la memoria y el bloqueo del Recursor, lo que provoca una denegación de servicio. La solución es actualizar a la versión 5.2.1 parcheada. Agradecemos a Volodymyr Ilyin por informarnos sobre este problema.

07 Apr 2025, 16:15

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2025/04/07/1 -

07 Apr 2025, 14:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-07 14:15

Updated : 2026-06-17 09:08

NVD link : CVE-2025-30195

Mitre link : CVE-2025-30195

CVE.ORG link : CVE-2025-30195

JSON object : View

Products Affected

No product.

CWE

CWE-476

NULL Pointer Dereference

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