{"action":"Upgrade flex to 2.5.35-1 or later.","affected":[{"fixed":"2.5.35-1","introduced":"0"}],"component":"flex","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.5.35-1"],"id":"tcs_01M5N9GE3CMPVBVMSX9GRR39Z7","modified_at":"2026-10-23T17:47:38.608719725Z","published_at":"2010-02-12T22:30:00.517Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2010-0634","https://security-tracker.debian.org/tracker/CVE-2010-0634"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2010-0634","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2010-0634"}],"summary":"Unspecified vulnerability in Fast Lexical Analyzer Generator (flex) before 2.5.35 has unknown impact and attack vectors."}