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"
}