CVE-2026-42387

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

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-powerdns-2026-08.html

Configurations

No configuration.

History

25 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Un servidor autoritativo malicioso puede enviar una zona manipulada a través de la función ZoneToCache que provoca una caída del Recursor debido a una validación de entrada insuficiente.

Information

Published : 2026-06-25 14:16

Updated : 2026-10-25 23:10

NVD link : CVE-2026-42387

Mitre link : CVE-2026-42387

CVE.ORG link : CVE-2026-42387

JSON object : View

Products Affected

No product.

CWE

CWE-20

Improper Input Validation

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