CVE-2008-3657: Ruby-Lang Ruby

High severity, CVSS 7.5. EPSS: 13.7% chance of exploitation in the next 30 days.

The dl module in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not check "taintness" of inputs, which allows context-dependent attackers to bypass safe levels and execute dangerous functions by accessing a library using DL.dlopen.

Affected products

• Ruby-Lang Ruby: up to and including 1.8.5; version 1.6.8 only; version 1.8.0 only; version 1.8.1 only; version 1.8.2 only; version 1.8.3 only; …

Published 2008-08-13. Last modified 2026-06-16.