CVE-2019-8321

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.

Date published : 2019-06-17

https://hackerone.com/reports/317330

https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html