CVE-2026-42396 — MEDIUM (4.9)

Vulnerability Description

Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail

CVSS Score

4.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-94

References

https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-po

FAQ

What is CVE-2026-42396?

CVE-2026-42396 is a vulnerability with a CVSS score of 4.9 (MEDIUM). Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail

How severe is CVE-2026-42396?

CVE-2026-42396 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42396?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.