CVE-2026-52688highCWE-295CWE-345

CVE-2026-52688: fallo de gravedad alta en PowerDNS Recursor

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

Publicada el

Seguir esta CVE+ Monitorear Recursor+ Monitorear pdns-recursor

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

21Vexday Risk Score

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

ssvc Trackcvss 7.5epss 0.2%
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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-2026-33256MEDIUMUnbounded memory allocation by internal web serverEPSS 0.6%CVE-2023-26437LOWDeterred spoofing attempts can lead to authoritative servers being marked unavailableEPSS 0.6%CVE-2025-59030HIGHInsufficient validation of incoming notifies over TCP can lead to a denial of service in RecursorEPSS 0.6%