SB2025110105 - OpenBSD update for smtpd(8)



SB2025110105 - OpenBSD update for smtpd(8)

Published: November 1, 2025

Security Bulletin ID SB2025110105
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2025-62875)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when handling imsg messages. A local user can send a specially crafted imsg message to the local socket and crash the daemon. 


Remediation

Install update from vendor's website.