CVE-2026-0398

medium

Description

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

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-6923

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

Details

Source: Mitre, NVD

Published: 2026-02-09

Updated: 2026-04-20

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.0001