CVE-2026-40012

ECS zero scoped answers are stored in the packet cache while they should not. This impacts only configurations that have ECS enabled;

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html

Configurations

No configuration.

History

25 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Las respuestas de ámbito cero de ECS se almacenan en la caché de paquetes y no deberían. Esto afecta solo a las configuraciones que tienen ECS habilitado;

Information

Published : 2026-06-25 14:16

Updated : 2026-10-25 23:10

NVD link : CVE-2026-40012

Mitre link : CVE-2026-40012

CVE.ORG link : CVE-2026-40012

JSON object : View

Products Affected

No product.

CWE

CWE-524

Use of Cache Containing Sensitive Information

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