PT-2026-83075 · Dovecot · Dovecot
CVE-2026-73209
·
Published
2026-08-28
·
Updated
2026-09-02
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
dovecot versions prior to 2.4.5-1.1
Description
An attacker with valid credentials can send specially crafted compressed data that leads to stack exhaustion, causing the affected process to crash. This termination of the process can result in service degradation or a denial of service for the IMAP (Internet Message Access Protocol), which is a standard protocol used by email clients to retrieve messages from a mail server.
Recommendations
Update to version 2.4.5-1.1.
Fix
DoS
Uncontrolled Recursion
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Weakness Enumeration
Related Identifiers
Affected Products
Dovecot