CVE-2026-40209: fallo de gravedad media en PowerDNS DNSdist
Denial of service via IXFR queries
Publicada el
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.3epss 0.7%
probabilidad de explotación
0.7%top 48% de las CVE
explotación observada
noninguna fuente lo reporta
An attacker might be able to cause outgoing TCP connections to backend to be stuck until a timeout occurs instead of being released immediately, by sending IXFR queries. This could be used to cause a denial of service if there is a limit to the number of concurrent connections to this backend, or if the process runs out of file descriptors.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Productos afectados
PowerDNS · DNSdistCVEs relacionadas — PowerDNS DNSdist
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