Provide references for CVE-2021-40524.
Where can I find more information about CVE-2021-40524?
References are available at: https://github.com/jedisct1/pure-ftpd/pull/158, https://github.com/jedisct1/pure-ftpd/compare/1.0.49...1.0.50, https://github.com/jedisct1/pure-ftpd/commit/37ad222868e52271905b94afea4fc780d83294b4.