CVE-2023-26437: falha de baixa gravidade em PowerDNS Recursor
Deterred spoofing attempts can lead to authoritative servers being marked unavailable
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
8Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 3.4epss 0.6%
Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L
Produtos afetados
PowerDNS · RecursorCVEs relacionadas — PowerDNS Recursor
No mesmo produto, das mais perigosas para as 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-2025-59030HIGHInsufficient validation of incoming notifies over TCP can lead to a denial of service in RecursorEPSS 0.6%CVE-2026-33256MEDIUMUnbounded memory allocation by internal web serverEPSS 0.6%CVE-2026-33258MEDIUMCrafted zones can cause increased resource usageEPSS 0.6%
Referências
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2023-02.htmlhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN7VMRYKZHG2UDUAK326LXD3JY7NO3LR/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHPD6SIQOG7245GXFQHPUEI4AZ6Y3KD6/