What is CVE-2025-59031?

CVE-2025-59031 is a medium-severity vulnerability in Dovecot, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-03-27.

How severe is CVE-2025-59031?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Dovecot

CVE-2025-59031

Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subseq…

Vulnerability class: Information Disclosure

EPSS: 0.000 (7.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Dovecot
Open-xchange Dovecot
Open-xchange Gmbh Ox Dovecot Pro — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security@open-xchange.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-59031?: CVE-2025-59031 is a medium-severity vulnerability in Dovecot, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-03-27.
How severe is CVE-2025-59031?: Medium severity. CVSS v3 base score is 4.3 out of 10.