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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html Broken Link, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · powerdnsNVD modified 2026-10-26 00:10
Affected (CPE criteria) 1
cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
References 1
- https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html Broken Link, Vendor Advisory