CVE-2026-27859mediumCWE-400

CVE-2026-27859: falha de média gravidade em Open-Xchange GmbH OX Dovecot Pro

Publicada em

Seguir esta CVE+ Monitorar OX Dovecot Pro+ Monitorar dovecot

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

13Vexday Risk Score

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

ssvc Trackcvss 5.3epss 0.4%
A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed version where the processing is limited. No publicly available exploits are known.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Produtos afetados
Open-Xchange GmbH · OX Dovecot Pro
CVEs relacionadas — Open-Xchange GmbH OX Dovecot Pro

No mesmo produto, das mais perigosas para as menos.

CVE-2024-23185HIGHCVE-2024-23185EPSS 1.3%CVE-2026-40013MEDIUMCVE-2026-40013EPSS 0.9%CVE-2024-23184MEDIUMCVE-2024-23184EPSS 0.8%CVE-2026-27858HIGHCVE-2026-27858EPSS 0.8%CVE-2025-59032HIGHCVE-2025-59032EPSS 0.7%CVE-2026-27857MEDIUMCVE-2026-27857EPSS 0.7%