{"id":"BIT-lua-2022-28805","details":"singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.","aliases":["CVE-2022-28805"],"modified":"2026-09-08T08:47:40.987750425Z","published":"2024-03-06T10:55:38.363Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/"},{"type":"ADVISORY","url":"https://lua-users.org/lists/lua-l/2022-02/msg00001.html"},{"type":"ADVISORY","url":"https://lua-users.org/lists/lua-l/2022-02/msg00070.html"},{"type":"ADVISORY","url":"https://lua-users.org/lists/lua-l/2022-04/msg00009.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202305-23"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-28805"}],"affected":[{"package":{"name":"lua","ecosystem":"Bitnami","purl":"pkg:bitnami/lua"},"ranges":[{"type":"SEMVER","events":[{"introduced":"5.4.0"},{"fixed":"5.4.5"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/lua/BIT-lua-2022-28805.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}],"schema_version":"1.9.0"}