CVE-2015-3225: Debian Linux

Medium severity, CVSS 5.0. EPSS: 8% chance of exploitation in the next 30 days.

lib/rack/utils.rb in Rack before 1.5.4 and 1.6.x before 1.6.2, as used with Ruby on Rails 3.x and 4.x and other products, allows remote attackers to cause a denial of service (SystemStackError) via a request with a large parameter depth.

Affected products

  • Debian Debian Linux: version 7.0 only; version 8.0 only
  • Opensuse Opensuse: version 13.1 only; version 13.2 only
  • Rack Project Rack: up to and including 1.5.3; version 1.6.0 only; version 1.6.1 only

Published 2015-07-26. Last modified 2026-06-17.