Provide references for CVE-2021-44519.
Where can I find more information about CVE-2021-44519?
References are available at: https://gist.github.com/tree-chtsec/30932b9c94b8c7e4209d22b8b52d597f, https://docs.citrix.com/en-us/xenmobile/server/document-history.html, https://support.citrix.com/article/CTX370551, https://www.chtsecurity.com/news/09be10ae-b50e-46c9-8ce7-2e995fd988fe.