CVE-2026-42004: falha de baixa gravidade em PowerDNS DNSdist
EDNS options smuggling
Publicada em
8Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 3.7epss 0.2%
probabilidade de exploração
0.2%top 88% das CVEs
exploração observada
nãonenhuma fonte 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
Produtos afetados
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