{"id":"CVE-2019-19720","details":"Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.","modified":"2026-07-08T20:04:34.984485Z","published":"2019-12-11T04:15:10.667Z","references":[{"type":"ADVISORY","url":"http://www.yabasic.de/whatsnew.html"},{"type":"EVIDENCE","url":"https://github.com/marcIhm/yabasic/issues/36"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/marcihm/yabasic","events":[{"introduced":"b4c27c5a530497c1dfd177db4c3710fb719c6ee9"},{"last_affected":"b4c27c5a530497c1dfd177db4c3710fb719c6ee9"}],"database_specific":{"extracted_events":[{"introduced":"2.86.1"},{"last_affected":"2.86.1"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:yabasic:yabasic:2.86.1:*:*:*:*:*:*:*"}}],"versions":["2.86.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19720.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}