Description
A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.
Affected products
powerdns: authoritative
References1
- docs.powerdns.com/authoritative/security-advisories/powerdns-ad… Broken LinkVendor 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
- 0% percentile: 34 · as of 13 November 2026
- CWE
- CWE-400
Could this be exploited in your environment?
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