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Vulnerability Intelligence

CVE-2026-0398 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-0398

CVE-2026-0398

MEDIUM5.3

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

Published Feb 9, 2026

Modified 3 weeks ago

Details

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

https://www.cve.org/CVERecord?id=CVE-2026-0398

CVSS Analysis

CVSS v3.1

5.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

LowA:L

5.3/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Ecosystems

Timeline

PublishedFeb 9, 2026

ModifiedFeb 9, 2026