7.5

CVE-2026-33256

Unbounded memory allocation by internal web server

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
PowerdnsRecursor Version >= 5.2.0 < 5.2.9
PowerdnsRecursor Version >= 5.3.0 < 5.3.6
PowerdnsRecursor Version5.4.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.61% 0.443
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
security@open-xchange.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html
Vendor Advisory
Broken Link