CVE-2009-5147: Ruby-Lang Ruby

High severity, CVSS 7.3. EPSS: 7.8% chance of exploitation in the next 30 days.

DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before 2.1.8 opens libraries with tainted names.

Affected products

• Ruby-Lang Ruby: version 1.8.0 only; version 1.9.0 only; version 1.9.2 only; version 1.9.3 only; version 2.0.0 only; version 2.1.0 only; …

Published 2017-03-29. Last modified 2026-06-16.