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.
References
| Link | Resource |
|---|---|
| https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
24 Apr 2026, 18:52
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html - Vendor Advisory | |
| CPE | cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:* | |
| First Time |
Powerdns dnsdist
Powerdns |
22 Apr 2026, 15:16
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-122 |
22 Apr 2026, 14:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-04-22 14:16
Updated : 2026-04-24 18:52
NVD link : CVE-2026-33602
Mitre link : CVE-2026-33602
CVE.ORG link : CVE-2026-33602
JSON object : View
Products Affected
powerdns
- dnsdist
CWE
CWE-122
Heap-based Buffer Overflow