CVE-2025-59031

Medium

Description

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 subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.

SeverityMedium
CVSS4.3
Exploit probability—
ProductDovecot
PublishedMar 27, 2026
First seenMar 27, 2026

How to fix

Update
  • dovecot dovecot2.4.3 or later
  • open-xchange dovecot2.3.22.1, 3.1.3 or later

Affected products

ProductAffected versionsFixed in
dovecot dovecotv < 2.4.32.4.3
open-xchange dovecotv < 2.3.22.1, 3.0.0 ≤ v < 3.1.32.3.22.1, 3.1.3

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