CVE-2021-45343

En LibreCAD versión 2.2.0, una desreferencia de puntero NULL en el manejo de HATCH de libdxfrw permite a un atacante bloquear la aplicación usando un documento DXF diseñado

Cody Sixteen discovered that LibreCAD incorrectly handled memory when parsing DXF files. An attacker could use this issue to cause LibreCAD to crash, leading to a denial of service. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Lilith of Cisco Talos discovered that LibreCAD incorrectly handled memory when parsing DWG files. An attacker could use this issue to cause LibreCAD to crash, leading to a denial of service, or possibly execute arbitrary code.