CVE-2026-42388

Name: CVE-2026-42388
Creator: NVD / NIST
Published: 2026-06-25T14:16:39.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.40%

Last modified Jun 25, 2026

CVE-2026-42388 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Incomplete validation of the SOA record present in a catalog zone might lead to a crash.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Incomplete validation of the SOA record present in a catalog zone might lead to a crash.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

0.40%

31.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

References

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html

Timeline

Published: Jun 25, 2026
Last Modified: Jun 25, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-42388?

Incomplete validation of the SOA record present in a catalog zone might lead to a crash.

How severe is CVE-2026-42388?

CVE-2026-42388 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42388?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42388?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST