Provide references for CVE-2020-28953.
Where can I find more information about CVE-2020-28953?
References are available at: https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29, https://github.com/bigbluebutton/bigbluebutton/commit/d2cb02b3bd670265c6b1ba003f87fc261e0ac3e1.