PT-2026-83055
CVE-2026-33607
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Published
2026-08-28
·
Updated
2026-09-14
Description by
CVSS 3.1
4.3
MediumMetricsAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Name of the Vulnerable Software and Affected Versions
dovecot versions prior to 2.4.5-1.1
Description
An attacker with valid credentials can cause CPU consumption and subsequent service degradation or denial of service for IMAP by using the IMAP LIST command.
Recommendations
Update to version 2.4.5-1.1.
Monitor the system for abnormal CPU usage, terminate the offending process, and lock the associated account.
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