CVE-2026-33607 in Dovecot Proinfo

Summary

by MITRE • 08/28/2026

An attacker that has valid credentials can use IMAP LIST command to consume CPU. This can cause degradation or denial of service for IMAP. Monitor system for abnormal CPU usage and kill the offending process and lock account. Alternatively install fixed version. No publicly available exploits are known.

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Responsible

OX

Reservation

03/23/2026

Disclosure

08/28/2026

Moderation

accepted

CPE

ready

EPSS

0.00000

KEV

no

Activities

very low

Sources

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