Denial of Service Vulnerability in PowerDNS Software Solutions
CVE-2026-33597

3.7LOW

Key Information:

Vendor

Powerdns

Status
Dnsdist
Vendor
CVE Published:
22 April 2026

What is CVE-2026-33597?

The vulnerability involves a denial of service issue within PowerDNS's dnsdist software. An attacker can exploit this vulnerability by sending a maliciously crafted request, causing the service to become unresponsive and potentially disrupt operations. Users of affected versions are encouraged to apply the necessary patches and updates to mitigate the risk associated with this vulnerability.

Affected Version(s)

DNSdist 1.9.0 < 1.9.13

DNSdist 2.0.0 < 2.0.4

References

https://www.dnsdist.org/security-advisories/powerdns-advi...

CVSS V3.1

Score:
3.7
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mehtab Zafar
.