CVE-2025-59031 Affecting dovecot package, versions <2.4.3-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.28% (20th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALPINE323-DOVECOT-15857063
  • published31 Mar 2026
  • disclosed27 Mar 2026

Introduced: 27 Mar 2026

CVE-2025-59031  (opens in a new tab)

How to fix?

Upgrade Alpine:3.23 dovecot to version 2.4.3-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dovecot package and not the dovecot package as distributed by Alpine. See How to fix? for Alpine:3.23 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1