{"id":"CVE-2019-20909","details":"An issue was discovered in GNU LibreDWG through 0.9.3. There is a NULL pointer dereference in the function dwg_encode_LWPOLYLINE in dwg.spec.","modified":"2026-04-11T14:11:14.936910Z","published":"2020-07-16T18:15:12.690Z","references":[{"type":"FIX","url":"https://github.com/LibreDWG/libredwg/commit/d7913b893bfa98fab27f05825dc4cab2d3a20c83"},{"type":"EVIDENCE","url":"https://github.com/LibreDWG/libredwg/issues/178"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libredwg/libredwg","events":[{"introduced":"0"},{"last_affected":"ece161fd5e396fdb4094bdba027c5ea8476f73af"},{"fixed":"d7913b893bfa98fab27f05825dc4cab2d3a20c83"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"0.9.3"}]}}],"versions":["0.3","0.4-dev","0.4.900","0.4.924","0.4.938","0.5","0.6","0.6.1","0.6.2","0.7","0.8","0.9","0.9.1","0.9.2","0.9.3"],"database_specific":{"vanir_signatures":[{"digest":{"threshold":0.9,"line_hashes":["80747704894915520246512868136121676260","231873989768695155421010471171394967963","69969983241233308991479822776630841974","23214769376401507993246118675454567162"]},"target":{"file":"src/encode.c"},"signature_version":"v1","id":"CVE-2019-20909-da41e4d8","source":"https://github.com/libredwg/libredwg/commit/d7913b893bfa98fab27f05825dc4cab2d3a20c83","signature_type":"Line","deprecated":false}],"vanir_signatures_modified":"2026-04-11T14:11:14Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20909.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}