CVE-2026-0398 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Mon, 09 Feb 2026 16:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-770
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 09 Feb 2026 14:30:00 +0000

Type	Values Removed	Values Added
Description		Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.
Title		Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor
References		https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2026-01.html
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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: OX

Published: 2026-02-09T14:20:46.592Z

Updated: 2026-02-09T15:37:04.885Z

Reserved: 2025-11-28T09:18:07.874Z

Link: CVE-2026-0398

Vulnrichment

Updated: 2026-02-09T15:37:00.577Z

NVD

Status : Awaiting Analysis

Published: 2026-02-09T15:16:11.360

Modified: 2026-02-09T16:16:00.100

Link: CVE-2026-0398

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

No weakness.

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