CVE-2013-4389: Debian Linux

Medium severity, CVSS 4.3. EPSS: 3.1% chance of exploitation in the next 30 days.

Multiple format string vulnerabilities in log_subscriber.rb files in the log subscriber component in Action Mailer in Ruby on Rails 3.x before 3.2.15 allow remote attackers to cause a denial of service via a crafted e-mail address that is improperly handled during construction of a log message.

Affected products

• Debian Debian Linux: version 7.0 only
• Opensuse Opensuse: version 12.2 only; version 12.3 only; version 13.1 only
• Rubyonrails Rails: from 3.0.0, before 3.2.15 (fixed in 3.2.15)

Published 2013-10-17. Last modified 2026-06-16.