CVE-2026-33257

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 v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html	Vendor Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html	Broken Link Vendor Advisory
https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:powerdns:authoritative::::::::
	cpe:2.3:a:powerdns:authoritative::::::::
	cpe:2.3:a:powerdns:dnsdist::::::::
	cpe:2.3:a:powerdns:dnsdist::::::::
	cpe:2.3:a:powerdns:recursor::::::::
	cpe:2.3:a:powerdns:recursor::::::::
	cpe:2.3:a:powerdns:recursor:5.4.0:::::::*

History

26 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) Un atacante puede enviar una solicitud web que provoca una asignación de memoria ilimitada en el servidor web interno, lo que lleva a una denegación de servicio. El servidor web interno está deshabilitado por defecto.

Information

Published : 2026-04-22 10:16

Updated : 2026-10-26 22:10

NVD link : CVE-2026-33257

Mitre link : CVE-2026-33257

CVE.ORG link : CVE-2026-33257

JSON object : View

Products Affected

powerdns

authoritative
dnsdist
recursor

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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