Provide references for CVE-2021-21294.
Where can I find more information about CVE-2021-21294?
References are available at: https://github.com/http4s/http4s/security/advisories/GHSA-xhv5-w9c5-2r2w, https://github.com/http4s/blaze/security/advisories/GHSA-xmw9-q7x9-j5qc, https://github.com/http4s/http4s/commit/987d6589ef79545b9bb2324ac4bdebf82d9a0171.