CVE-2026-33602: A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value…
CVE-2026-33602 · Severity: medium · CVSS 6.5 · Published 2026-04-22
A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service.
No. Junglewise Threat Intelligence has no report of CVE-2026-33602 being exploited in the wild.
How severe is CVE-2026-33602?
Medium severity, with a CVSS score of 6.5, published 22 April 2026.
Which products and versions are affected?
Powerdns Dnsdist. The advisory does not name versions.
Is there a fix for CVE-2026-33602?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-33602?
Check whether you run Powerdns Dnsdist. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.