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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.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) 2
cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*cpe:2.3:a:powerdns:recursor:5.4.0:*:*:*:*:*:*:*
References 1
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html Broken Link, Vendor Advisory