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code.","status":"published","published":"2022-04-08T06:15:07.243Z","modified":"2026-11-03T08:02:58.942325063Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-03T08:24:39.643572Z"},{"id":"JLSEC-2026-560","description":"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.","status":"published","published":"2026-05-26T19:45:06.761Z","modified":"2026-07-25T18:24:38.2184536Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:47:18.573531Z"},{"id":"OESA-2022-1632","title":"lua security update","description":"Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports procedural programming, object-oriented programming, functional programming, data-driven programming, and data description.\r\n\r\nSecurity Fix(es):\r\n\r\nsinglevar in lparser.c in Lua through 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.(CVE-2022-28805)\n\nLua 5.4.4 and 5.4.2 are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.(CVE-2021-44647)","status":"published","published":"2022-05-11T11:04:54Z","modified":"2026-08-18T01:16:29.035116236Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:39.528805Z"},{"id":"RHSA-2023:2582","title":"Red Hat Security Advisory: lua security update","status":"published","published":"2024-09-16T10:45:42Z","modified":"2026-08-05T10:14:33Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:10.611604Z"},{"id":"UBUNTU-CVE-2022-28805","description":"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.","status":"published","published":"2022-04-08T06:15:00Z","modified":"2026-04-22T13:21:34.440483Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T16:53:53.899276Z"},{"id":"ALSA-2023:2582","title":"Low: lua security update","description":"The lua packages provide support for Lua, a powerful light-weight programming language designed for extending applications. Lua is also frequently used as a general-purpose, stand-alone language.\n\nSecurity Fix(es):\n\n* lua: heap buffer overread (CVE-2022-28805)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2023-05-09T00:00:00Z","modified":"2026-10-29T11:30:56.871464368Z","updated_at":"2026-11-02T15:27:51.655726Z"},{"id":"BIT-lua-2022-28805","description":"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.","status":"published","published":"2024-03-06T10:55:38.363Z","modified":"2026-09-08T08:48:09.195758962Z","updated_at":"2026-11-02T15:28:32.645004Z"},{"id":"CVE-2022-28805","description":"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.","status":"published","published":"2022-04-08T00:00:00Z","modified":"2026-10-28T10:28:10.05512089Z","updated_at":"2026-11-02T15:44:25.164673Z"},{"id":"USN-6916-1","title":"lua5.4 vulnerabilities","description":"It was discovered that Lua did not properly generate code when \"_ENV\" is\nconstant. An attacker could possibly use this issue to cause a denial of\nservice or execute arbitrary unstrusted lua code. (CVE-2022-28805)\n\nIt was discovered that Lua did not properly handle C stack overflows during\nerror handling. An attacker could possibly use this issue to cause a denial\nof service. (CVE-2022-33099)\n","status":"published","published":"2024-07-29T04:27:32Z","modified":"2026-04-27T17:22:17.258005Z","updated_at":"2026-11-02T16:58:17.914523Z"}]}}