CVE-2026-42005 — MEDIUM (4.3)

Vulnerability Description

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Related Weaknesses (CWE)

CWE-400

References

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

FAQ

What is CVE-2026-42005?

CVE-2026-42005 is a vulnerability with a CVSS score of 4.3 (MEDIUM). An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

How severe is CVE-2026-42005?

CVE-2026-42005 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42005?

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