CVE-2026-33595

A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection.

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://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:powerdns:dnsdist::::::::
	cpe:2.3:a:powerdns:dnsdist::::::::

History

No history.

Information

Published : 2026-04-22 14:16

Updated : 2026-06-17 10:37

NVD link : CVE-2026-33595

Mitre link : CVE-2026-33595

CVE.ORG link : CVE-2026-33595

JSON object : View

Products Affected

powerdns

dnsdist

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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