7.5

CVE-2026-33258

Crafted zones can cause increased resource usage

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Powerdns ≫ Recursor Version >= 5.2.0 < 5.2.9
Powerdns ≫ Recursor Version >= 5.3.0 < 5.3.6
Powerdns ≫ Recursor Version 5.4.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.58% 0.432
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 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