CVE-2026-33597: PRSD detection denial of service
Published Apr 22, 2026
·Updated
PRSD detection denial of service
Affected Software
2 affected components
PowerDNS DNSDist>=1.9.0<1.9.13
PowerDNS DNSDist>=2.0.0<2.0.4
Event History
Apr 22, 2026
CVE Published
via MITRE·01:47 PM
Data Sourced
via MITRE·01:47 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-33597?
CVE-2026-33597 has been classified as a denial of service vulnerability.
2
What versions of PowerDNS DNSDist are affected by CVE-2026-33597?
CVE-2026-33597 affects PowerDNS DNSDist versions from 1.9.0 to 1.9.13 and from 2.0.0 to 2.0.4.
3
How do I fix CVE-2026-33597?
To fix CVE-2026-33597, upgrade PowerDNS DNSDist to a version later than 1.9.13 or 2.0.4.
4
What does CVE-2026-33597 enable attackers to do?
CVE-2026-33597 allows attackers to cause denial of service through PRSD detection.
5
Is a workaround available for CVE-2026-33597?
Currently, no specific workaround for CVE-2026-33597 has been documented.