CVE-2026-0398

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.

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 NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2026-01.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:powerdns:recursor::::::::
	cpe:2.3:a:powerdns:recursor::::::::
	cpe:2.3:a:powerdns:recursor::::::::

History

No history.

Information

Published : 2026-02-09 15:16

Updated : 2026-06-17 10:10

NVD link : CVE-2026-0398

Mitre link : CVE-2026-0398

CVE.ORG link : CVE-2026-0398

JSON object : View

Products Affected

powerdns

recursor

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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