CVE-2026-42004: fallo de gravedad baja en PowerDNS DNSdist
EDNS options smuggling
Publicada el
8Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 3.7epss 0.2%
probabilidad de explotación
0.2%top 88% de las CVE
explotación observada
noninguna fuente lo reporta
An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS option(s) that DNSdist did not filter.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Productos afectados
PowerDNS · DNSdistCVEs relacionadas — PowerDNS DNSdist
En el mismo producto, de las más peligrosas a las menos.
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