### [CVE-2020-21817](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21817) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description A null pointer dereference issue exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:29. which causes a denial of service (application crash). ### POC #### Reference - https://github.com/LibreDWG/libredwg/issues/182#issue-547887727 - https://github.com/LibreDWG/libredwg/issues/182#issue-547887727 #### Github No PoCs found on GitHub currently.