SB2026040130 - Information disclosure in Dovecot
Published: April 1, 2026
Security Bulletin ID
SB2026040130
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2025-59031)
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper input validation in decode2text.sh script when parsing OOXML attachments during indexing. A remote attacker can send a specially crafted OOXML document containing symlinks to disclose sensitive information.
The attacker must be able to upload email attachments that are processed by the indexing system.
Remediation
Install update from vendor's website.