Provide references for CVE-2021-3680.
Where can I find more information about CVE-2021-3680?
References are available at: https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370, https://huntr.dev/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2.