CVE-2026-33596

A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend.

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - security@open-xchange.com

Published

2026-04-22

Last modified

2026-10-26

Weaknesses

CWE-190

Affected products

• Dnsdist (Powerdns)

References

• https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html