SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-59031

This script unsafely handles zip-style attachments.

MEDIUM 4.3EPSS 0.28%

Does this matter?

Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.28% probability · 21th percentile
CISA KEV
Not listed
Weakness
CWE-200
Affected
dovecot/dovecot · open-xchange/dovecot
Source
security@open-xchange.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.