CVE-2026-33593highCWE-369

CVE-2026-33593: falha de alta gravidade em PowerDNS DNSdist

Denial of service via crafted DNSCrypt query

Publicada em

Seguir esta CVE+ Monitorar DNSdist+ Monitorar dnsdist

Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.

21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 7.5epss 0.4%
A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
PowerDNS · DNSdist
CVEs relacionadas — PowerDNS DNSdist

No mesmo produto, das mais perigosas para as menos.

CVE-2025-30194HIGHDenial of service via crafted DoH exchangeEPSS 2.3%CVE-2024-25581HIGHTransfer requests received over DoH can lead to a denial of service in DNSdistEPSS 1.1%CVE-2026-33598MEDIUMOut-of-bounds read in cache inspection via LuaEPSS 1.1%CVE-2026-24028MEDIUMOut-of-bounds read when parsing DNS packets via LuaEPSS 1.1%CVE-2026-40210MEDIUMOut-of-bounds read in SetMacAddrActionEPSS 0.7%CVE-2026-33602MEDIUMOff-by-one access when processing crafted UDP responsesEPSS 0.7%