CVE-2023-26437lowCWE-400

CVE-2023-26437: fallo de gravedad baja en PowerDNS Recursor

Deterred spoofing attempts can lead to authoritative servers being marked unavailable

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear Recursor+ Monitorear pdns-recursor

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

8Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 3.4epss 0.6%
Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L
Productos afectados
PowerDNS · Recursor
CVEs 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-2026-33256MEDIUMUnbounded memory allocation by internal web serverEPSS 0.6%CVE-2026-33258MEDIUMCrafted zones can cause increased resource usageEPSS 0.6%