CVE-2026-33256: fallo de gravedad media en PowerDNS Recursor
Unbounded memory allocation by internal web server
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.3epss 0.6%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Productos afectados
PowerDNS · RecursorCVEs relacionadas — PowerDNS Recursor
En el mismo producto, de las más peligrosas a las menos.
CVE-2024-25583HIGHCrafted responses can lead to a denial of service in Recursor if recursive forwarding is configuredEPSS 0.8%CVE-2025-30195HIGHA crafted zone can lead to an illegal memory access in the PowerDNS RecursorEPSS 0.8%CVE-2024-25590HIGHCrafted responses can lead to a denial of service due to cache inefficiencies in the RecursorEPSS 0.7%CVE-2025-59030HIGHInsufficient validation of incoming notifies over TCP can lead to a denial of service in RecursorEPSS 0.6%CVE-2023-26437LOWDeterred spoofing attempts can lead to authoritative servers being marked unavailableEPSS 0.6%CVE-2026-33258MEDIUMCrafted zones can cause increased resource usageEPSS 0.6%