CVE-2026-33607
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Aug 28, 2026
Vendor
unknown
Description
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.