The strong_password gem 0.0.7 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Version 0.0.8 does not contain the backdoor.
{ "nvd_published_at": "2019-07-08T14:15:10Z", "cwe_ids": [ "CWE-94" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2019-07-08T20:32:08Z" }