Description
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.
Affected products
powerdns: authoritative; powerdns: dnsdist; powerdns: recursor
References3
- docs.powerdns.com/authoritative/security-advisories/powerdns-ad… Vendor Advisory
- docs.powerdns.com/recursor/security-advisories/powerdns-advisor… Broken LinkVendor Advisory
- www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdi… Vendor Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 45 · as of 13 November 2026
- CWE
- CWE-770
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.