SB2025110104 - Local denial of service in OpenSMTPD
Published: November 1, 2025
Security Bulletin ID
SB2025110104
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- 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.