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High 8.2Published Apr 22, 2026
CVE-2026-33602A 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.
Updated under an hour ago ()
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It affects powerdns dnsdist. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.2 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
powerdns dnsdist powerdns:dnsdist | from 1.9.0 before 1.9.13; from 2.0.0 before 2.0.4 | NVD |
References
- https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.htmlvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.