An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.
References
| Link | Resource |
|---|---|
| https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html | Vendor Advisory |
| https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html | Vendor Advisory Broken Link |
| https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
27 Apr 2026, 17:03
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html - Vendor Advisory | |
| References | () https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html - Vendor Advisory, Broken Link | |
| References | () https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html - Vendor Advisory | |
| CPE | cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:* cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:* cpe:2.3:a:powerdns:recursor:5.4.0:*:*:*:*:*:*:* cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:* |
|
| First Time |
Powerdns dnsdist
Powerdns Powerdns authoritative Powerdns recursor |
22 Apr 2026, 19:17
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-770 |
22 Apr 2026, 10:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-04-22 10:16
Updated : 2026-04-27 17:03
NVD link : CVE-2026-33257
Mitre link : CVE-2026-33257
CVE.ORG link : CVE-2026-33257
JSON object : View
Products Affected
powerdns
- recursor
- dnsdist
- authoritative
CWE
CWE-770
Allocation of Resources Without Limits or Throttling