{"id":"ALPINE-CVE-2016-6354","details":"Heap-based buffer overflow in the yy_get_next_buffer function in Flex before 2.6.1 might allow context-dependent attackers to cause a denial of service or possibly execute arbitrary code via vectors involving num_to_read.","modified":"2025-11-19T06:02:54.789220Z","published":"2016-09-21T14:25:20.800Z","upstream":["CVE-2016-6354"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2016-6354"}],"affected":[{"package":{"name":"flex","ecosystem":"Alpine:v3.2","purl":"pkg:apk/alpine/flex?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.39-r1"}]}],"versions":["2.5.35-r1","2.5.35-r2","2.5.35-r3","2.5.35-r4","2.5.36-r0","2.5.37-r0","2.5.38-r0","2.5.39-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-6354.json"}},{"package":{"name":"flex","ecosystem":"Alpine:v3.3","purl":"pkg:apk/alpine/flex?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.39-r3"}]}],"versions":["2.5.35-r1","2.5.35-r2","2.5.35-r3","2.5.35-r4","2.5.36-r0","2.5.37-r0","2.5.38-r0","2.5.39-r0","2.5.39-r1","2.5.39-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-6354.json"}},{"package":{"name":"flex","ecosystem":"Alpine:v3.4","purl":"pkg:apk/alpine/flex?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-r0"}]}],"versions":["2.5.35-r1","2.5.35-r2","2.5.35-r3","2.5.35-r4","2.5.36-r0","2.5.37-r0","2.5.38-r0","2.5.39-r0","2.5.39-r1","2.5.39-r2","2.6.0-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-6354.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}