5.3
Moyenne
CVE-2026-27859 A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU
Description
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.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| OX Dovecot Pro 3.1 | premières → 3.1.0 | Pas de correctif indiqué |
| OX Dovecot Pro 3.0 | premières → 3.0.2 | Pas de correctif indiqué |
| OX Dovecot Pro 2.4 | premières → 2.4.0 | Pas de correctif indiqué |
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