VDB
CVE-2026-73209
CVE-2026-73209
PUBLISHED
CVSS 6.5 MEDIUM
Reported by OX · Published August 28, 2026
An attacker that has valid credentials can send crafted compressed data that causes the affected process to exhaust its stack and crash. The affected process is terminated, which can cause degradation or denial of service for IMAP. Update to non-vulnerable version. No publicly available exploits are known.
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Open-Xchange GmbH | OX Dovecot Pro | 2.3.0, 3.0.0, 3.1.0 |
| Open-Xchange GmbH | OX Dovecot CE | 2.3.0 |
| Open-Xchange GmbH | OX Dovecot CE | 2.3.0 |
| Open-Xchange GmbH | OX Dovecot Pro | 2.3.0, 3.0.0, 3.1.0 |
| alpine | dovecot | 0, 0, 0 |
Timeline
- Aug 28, 2026 CVE Published
- Aug 29, 2026 EPSS Score
- Sep 1, 2026 Security Advisory
- Sep 2, 2026 EPSS Score
- Sep 6, 2026 EPSS Score
- Sep 9, 2026 EPSS Score
- Sep 12, 2026 EPSS Score
- Sep 16, 2026 EPSS Score
- Sep 18, 2026 EPSS Score
- Sep 24, 2026 EPSS Score
- Sep 25, 2026 EPSS Score
- Sep 26, 2026 EPSS Score