{"id":"CVE-2021-43519","details":"Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file.","aliases":["BIT-lua-2021-43519"],"modified":"2026-07-08T06:00:01.559738365Z","published":"2021-11-09T13:15:08.500Z","related":["ALSA-2023:0957","openSUSE-SU-2024:12156-1","openSUSE-SU-2025:15401-1"],"database_specific":{"unresolved_ranges":[{"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"35"},{"last_affected":"35"}],"source":"CPE_STRING"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"},{"type":"FIX","url":"http://lua-users.org/lists/lua-l/2021-11/msg00015.html"},{"type":"EVIDENCE","url":"http://lua-users.org/lists/lua-l/2021-10/msg00123.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/lua/lua","events":[{"introduced":"0"},{"fixed":"063d4e4543088e7a21965bda8ee5a0f952a9029e"},{"introduced":"c33b1728aeb7dfeec4013562660e07d32697aa6b"},{"fixed":"5d708c3f9cae12820e415d4f89c9eacbe2ab964b"}],"database_specific":{"cpe":"cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"5.1.0"},{"fixed":"5.3.5"},{"introduced":"5.4.0"},{"fixed":"5.4.4"}],"source":"CPE_RANGE"}}],"versions":["v5.4.3","v5.4.2","v5.4.1","v5.4.0","v5.3.4","v5.3.3","v5.3.2","v5.3.1","v5.3.0","v5.3-beta","v5.3-alpha","v5.2.2","v5.2.1","v5.2.0","v5.2-beta","v5.2-alpha","v5.1.1","v5.1","v5.1-beta","v5.1-alpha","v5.0","v5.0-beta","v5.0-alpha","v4.1-alpha","v4.0","v4.0-beta","v4.0-alpha","v3.2","v3.2-beta","v3.1","v3.1-alpha","v3.0","v3.0-alpha","v2.5.1","v2.5","v2.5-beta","v2.4","v2.4-beta","v2.3-beta","v2.2","v2.1","v1.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43519.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}