OD
Product
OX Dovecot Pro
by Open-Xchange GmbH · last CVE Aug 28, 2026
44
CVEs
0
On KEV
9.1
Max CVSS
0
New 30D
Severity mix
Critical 2High 12Medium 26Low 4
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-40203
3.7
0%
Aug 28
When IMAP compression is enabled, the same compression state is reused across responses in a session, so response sizes depend on both attacker-supplied mail and other mail in the…
Affected: 2.3.0 before 2.3.22.2; 3.0.0 before 3.0.7; 3.1.0 before 3.1.6
CVE-2026-52681
3.1
0%
Aug 28
Sieve CPU resource usage is tracked in the compiled script, so an attacker that has valid credentials can reset the accounting by repeatedly changing the active script
Affected: 2.3.15 before 2.3.22.2; 3.0.0 before 3.0.7; 3.1.0 before 3.1.6
CVE-2026-42393
3.1
0%
Aug 28
The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret
Affected: 2.3.0 before 2.3.22.2; 3.0.0 before 3.0.7; 3.1.0 before 3.1.6
CVE-2026-40204
3.1
0%
Aug 28
None None None No publicly available exploits are known
Affected: 2.3.0 before 2.3.22.2; 3.0.0 before 3.0.7; 3.1.0 before 3.1.6
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