{"id":"DEBIAN-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":"2026-09-21T07:03:17.172386680Z","published":"2019-12-11T04:15:10.667Z","upstream":["CVE-2019-19720"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2019-19720"}],"affected":[{"package":{"name":"yabasic","ecosystem":"Debian:12","purl":"pkg:deb/debian/yabasic?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.90.3-1","1:2.90.5-1","1:2.91.1-1","1:2.91.3-1","1:2.91.4-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-19720.json"}},{"package":{"name":"yabasic","ecosystem":"Debian:13","purl":"pkg:deb/debian/yabasic?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.91.1-1","1:2.91.3-1","1:2.91.4-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-19720.json"}},{"package":{"name":"yabasic","ecosystem":"Debian:14","purl":"pkg:deb/debian/yabasic?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.91.1-1","1:2.91.3-1","1:2.91.4-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2019-19720.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}