{"id":"BIT-lua-2021-44964","details":"Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file.","aliases":["CVE-2021-44964"],"modified":"2026-09-08T08:48:09.133905146Z","published":"2024-03-06T10:55:59.767Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"http://lua-users.org/lists/lua-l/2021-11/msg00186.html"},{"type":"ADVISORY","url":"http://lua-users.org/lists/lua-l/2021-12/msg00007.html"},{"type":"ADVISORY","url":"http://lua-users.org/lists/lua-l/2021-12/msg00015.html"},{"type":"ADVISORY","url":"http://lua-users.org/lists/lua-l/2021-12/msg00030.html"},{"type":"ADVISORY","url":"https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44964"}],"affected":[{"package":{"name":"lua","ecosystem":"Bitnami","purl":"pkg:bitnami/lua"},"ranges":[{"type":"SEMVER","events":[{"introduced":"5.4.0"},{"fixed":"5.4.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/lua/BIT-lua-2021-44964.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}