{"id":"CVE-2010-0634","aliases":["DEBIAN-CVE-2010-0634","EUVD-2010-0665","GHSA-6qjv-pcp7-rgfm"],"status":"published","title":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown...","description":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01041,"percentile":0.64279,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2010-02-12T22:00:00Z","modified":"2026-10-23T17:47:38Z","fixes":[{"ecosystem":"Debian:12","package":"flex","fixed_in":["2.5.35-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"flex","fixed_in":["2.5.35-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"flex","fixed_in":["2.5.35-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"flex","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.35-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"flex","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.35-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"flex","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.35-1"}]}]}],"products":[{"vendor":"will_estes","product":"flex"}],"references":[{"url":"http://freshmeat.net/projects/flex/releases/311661","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://osvdb.org/62029","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0634"},{"url":"https://github.com/advisories/GHSA-6qjv-pcp7-rgfm"},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-0634","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2010-0634","description":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.","status":"published","published":"2010-02-12T22:00:00Z","modified":"2024-09-16T19:40:28.632Z","updated_at":"2026-11-02T14:33:30.359814Z"}],"euvd":[{"id":"EUVD-2010-0665","description":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.","status":"published","published":"2010-02-12T22:00:00Z","modified":"2024-09-16T19:40:28Z","updated_at":"2026-11-03T00:55:20.992168Z"}],"ghsa":[{"id":"GHSA-6qjv-pcp7-rgfm","title":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown...","description":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.","status":"published","published":"2022-05-02T06:14:17Z","modified":"2023-02-01T05:00:37Z","updated_at":"2026-11-02T14:49:34.37252Z"}],"nvd":[{"id":"CVE-2010-0634","description":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.","status":"published","published":"2010-02-12T22:30:00.517Z","modified":"2026-06-16T23:16:32.673Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:40.249593Z"}],"osv":[{"id":"CVE-2010-0634","description":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.","status":"published","published":"2010-02-12T22:30:00Z","modified":"2026-04-10T03:41:09.428191Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2010-0634","description":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors.","status":"published","published":"2010-02-12T22:30:00.517Z","modified":"2026-10-23T17:47:38.608719725Z","updated_at":"2026-11-02T15:45:24.013654Z"}]}}