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CVE-2026-0398

nvd nist
Published: Feb 9, 2026Modified: Jun 17, 2026

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5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Exploitability: 3.9 / Impact: 1.4
Source: security@open-xchange.com (Secondary)

Description

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

Affected (3)

Products: Powerdns: Recursor
Powerdns
1 product
Recursor
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Powerdns
Recursor
From 5.1.0 to 5.1.10
Recursor
From 5.2.8 to 5.2.8
Recursor
From 5.3.0 to 5.3.5

Related CWEs

CWE-770
Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (1)

Source: security@open-xchange.com
Vendor Advisory

Timeline

No history available yet.