{"id":"CVE-2019-20912","details":"An issue was discovered in GNU LibreDWG through 0.9.3. Crafted input will lead to a stack overflow in bits.c, possibly related to bit_read_TF.","modified":"2026-08-07T15:19:02.237891Z","published":"2020-07-16T18:15:13.407Z","references":[{"type":"FIX","url":"https://github.com/LibreDWG/libredwg/commit/b84c2cab55948a5ee70860779b2640913e3ee1ed"},{"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":"b84c2cab55948a5ee70860779b2640913e3ee1ed"}],"database_specific":{"cpe":"cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"0.9.3"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["0.9.3","0.9.2","0.9.1","0.9","0.8","0.7","0.6.2","0.6.1","0.6","0.5","0.4.938","0.4.924","0.4.900","0.4-dev","0.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20912.json","vanir_signatures_modified":"2026-08-07T15:19:02Z","vanir_signatures":[{"id":"CVE-2019-20912-6862cdb7","signature_type":"Function","signature_version":"v1","source":"https://github.com/libredwg/libredwg/commit/b84c2cab55948a5ee70860779b2640913e3ee1ed","target":{"file":"src/bits.c","function":"bit_write_UMC"},"deprecated":false,"digest":{"length":523,"function_hash":"96338434088265487358644619236390278650"}},{"target":{"file":"src/bits.c"},"deprecated":false,"digest":{"line_hashes":["113052727542273460921737678445611708993","152939320705181754443722810749730501374","288378964425942374801464293818649235698","192192677306202081307193547809927986179"],"threshold":0.9},"id":"CVE-2019-20912-6e88b68b","signature_type":"Line","signature_version":"v1","source":"https://github.com/libredwg/libredwg/commit/b84c2cab55948a5ee70860779b2640913e3ee1ed"}]}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}