title: Code execution backdoor in coin_base
The coin_base gem 4.2.1 through 4.2.2 for Ruby, as distributed on RubyGems.org, included a
code-execution backdoor inserted by a third party.
No unaffected version is known to exist, as the gem appears to have been entirely removed.
- "< 4.2.1"
- "> 4.2.2"