CVE-2026-33596General(powerdns / dnsdist)

LOWCVSS 6.5 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

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

Weakness type (CWE)

CWE-190

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

dnsdist

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
General: 2 classified signals
2 total mentions across 1 day

Affected systems

Vendors

powerdns

Products

dnsdist

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

General

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

CVE@CVEnew171d
General
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 th… https://www.cve.org/CVERecord?id=CVE-2026-33596
Post summary
The CVE record notes a theoretical vulnerability where a client could disrupt backend query/response matching by flooding with perfectly timed queries, but no PoC, exploit, patch, or active exploitation is reported.
00000147
57.2K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds171d
General
CVE-2026-33596 Query Response Mismatch in DNS-over-TLS and TCP-Only Backend Routing https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-33596
Post summary
The text merely lists the CVE identifier and a brief title, linking to an external page, without providing any actionable or technical details.
0000056
4.0K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	powerdns	dnsdist	-	-	-

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