Is CVE-2026-33597 in the CISA KEV catalog?

No. CVE-2026-33597 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-33597?

CVE-2026-33597 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2026-33597?

CVE-2026-33597 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-33597?

Upgrade dnsdist on debian 13 to 1.9.14-0+deb13u1 or later.

CVE & CISA-KEV Catalog

CVE-2026-33597

LOW

3.7

CVSS v3

NVD

Description

PRSD detection denial of service

CWE-116

How to fix

Remediation Available

dnsdistDebian

Fixed in:1.9.14-0+deb13u1CVE-2026-33597

Fixed in:2.0.4-1CVE-2026-33597

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Vendor Advisory1

dnsdist.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-24.