CVE-2026-33593

A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

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

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Un cliente puede desencadenar un error de división por cero provocando un fallo al enviar una consulta DNSCrypt manipulada.

Information

Published : 2026-04-22 14:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-33593

Mitre link : CVE-2026-33593

CVE.ORG link : CVE-2026-33593

JSON object : View

Products Affected

powerdns

dnsdist

CWE

CWE-369

Divide By Zero

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