Provide references for CVE-2020-7663.
Where can I find more information about CVE-2020-7663?
References are available at: https://github.com/faye/websocket-extensions-ruby/security/advisories/GHSA-g6wq-qcwm-j5g2, https://github.com/faye/websocket-extensions-ruby/commit/aa156a439da681361ed6f53f1a8131892418838b, https://blog.jcoglan.com/2020/06/02/redos-vulnerability-in-websocket-extensions, https://snyk.io/vuln/SNYK-RUBY-WEBSOCKETEXTENSIONS-570830, https://lists.debian.org/debian-lts-announce/2020/08/msg00031.html, https://usn.ubuntu.com/4502-1/.