{"id":"CVE-2021-44647","details":"Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.","aliases":["BIT-lua-2021-44647"],"modified":"2026-07-08T06:00:04.843732727Z","published":"2022-01-11T13:15:07.833Z","related":["openSUSE-SU-2024:12156-1","openSUSE-SU-2025:15401-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"34"},{"last_affected":"34"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/cve-2021-44647"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202305-23"},{"type":"FIX","url":"http://lua-users.org/lists/lua-l/2021-11/msg00204.html"},{"type":"EVIDENCE","url":"http://lua-users.org/lists/lua-l/2021-11/msg00195.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/lua/lua","events":[{"introduced":"eadd8c7178c79c814ecca9652973a9b9dd4cc71b"},{"last_affected":"eadd8c7178c79c814ecca9652973a9b9dd4cc71b"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:lua:lua:5.4.3:*:*:*:*:*:*:*","extracted_events":[{"introduced":"5.4.3"},{"last_affected":"5.4.3"}]}}],"versions":["5.4.3","v5.4.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44647.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}