Provide references for CVE-2019-20909.
Where can I find more information about CVE-2019-20909?
References are available at: https://github.com/LibreDWG/libredwg/issues/178, https://github.com/LibreDWG/libredwg/commit/d7913b893bfa98fab27f05825dc4cab2d3a20c83.