# CVE-2026-33602

> Vulnerability · severity: **MEDIUM** (CVSS 6.5).

## Description

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.

## Key facts

- **CVE ID:** CVE-2026-33602
- **Published:** 2026-04-22
- **CVSS severity:** MEDIUM
- **CVSS base score:** 6.5
- **CWE codes:** CWE-122

## Affected products

- `powerdns:dnsdist`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-33602

## Citation

> AI Analytics. CVE-2026-33602. Retrieved 2026-07-18 from https://api.ai-analytics.org/cve/CVE-2026-33602. Derived from NIST NVD. Licensed CC0.

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