Provide references for CVE-2021-4172.
Where can I find more information about CVE-2021-4172?
References are available at: https://huntr.dev/bounties/c041b693-877b-4456-b463-19e4c9456eee, https://github.com/star7th/showdoc/commit/409c8a1208bbb847046a9496303192980f2e6219.