CVE-2004-0423: Ssmtp

Low severity, CVSS 2.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The log_event function in ssmtp 2.50.6 and earlier allows local users to overwrite arbitrary files via a symlink attack on the ssmtp.log temporary log file.

Affected products

• Ssmtp Ssmtp: up to and including 2.50.6

Published 2004-07-07. Last modified 2026-06-16.