Provide references for CVE-2021-21321.
Where can I find more information about CVE-2021-21321?
References are available at: https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-qmw8-3v4g-gwj4, https://www.npmjs.com/package/fastify-reply-from, https://github.com/fastify/fastify-reply-from/commit/dea227dda606900cc01870d08541b4dcc69d3889.