CVE-2008-4310: Ruby-Lang Ruby

High severity, CVSS 7.8. EPSS: 13.6% chance of exploitation in the next 30 days.

httputils.rb in WEBrick in Ruby 1.8.1 and 1.8.5, as used in Red Hat Enterprise Linux 4 and 5, allows remote attackers to cause a denial of service (CPU consumption) via a crafted HTTP request. NOTE: this issue exists because of an incomplete fix for CVE-2008-3656.

Affected products

• Ruby-Lang Ruby: version 1.8.1 only; version 1.8.5 only

Published 2008-12-09. Last modified 2026-06-16.