CVE-2026-33597

Name: CVE-2026-33597
Creator: NVD / NIST
Published: 2026-04-22T14:16:54.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2026-33597 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. PRSD detection denial of service. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

PRSD detection denial of service

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.35%

26.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-116

Affected Software

Vendor	Product	Versions
Powerdns	Dnsdist	>= 1.9.0, < 1.9.13
Powerdns	Dnsdist	>= 2.0.0, < 2.0.4

References

https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.htmlVendor Advisory

Timeline

Published: Apr 22, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-33597?

PRSD detection denial of service

How severe is CVE-2026-33597?

CVE-2026-33597 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2026-33597?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-33597?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST