CVE-2006-1931: Yukihiro Matsumoto Ruby

Medium severity, CVSS 5.0. EPSS: 10.4% chance of exploitation in the next 30 days.

The HTTP/XMLRPC server in Ruby before 1.8.2 uses blocking sockets, which allows attackers to cause a denial of service (blocked connections) via a large amount of data.

Affected products

• Yukihiro Matsumoto Ruby: version 1.6 only; version 1.6.1 only; version 1.6.2 only; version 1.6.3 only; version 1.6.4 only; version 1.6.5 only; …

Published 2006-04-20. Last modified 2026-06-16.