Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.
{ "cpes": [ "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*" ], "severity": "High" }