{"id":"JLSEC-2026-557","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.","modified":"2026-05-26T20:00:07.498379544Z","published":"2026-05-26T19:45:06.761Z","upstream":["CVE-2021-44647"],"database_specific":{"license":"CC-BY-4.0","sources":[{"database_specific":{"status":"Modified"},"modified":"2024-11-21T06:31:18.587Z","imported":"2026-05-26T02:05:11.352Z","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44647","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-44647","published":"2022-01-11T13:15:07.833Z","id":"CVE-2021-44647"}]},"references":[{"type":"WEB","url":"http://lua-users.org/lists/lua-l/2021-11/msg00195.html"},{"type":"WEB","url":"http://lua-users.org/lists/lua-l/2021-11/msg00195.html"},{"type":"WEB","url":"http://lua-users.org/lists/lua-l/2021-11/msg00204.html"},{"type":"WEB","url":"http://lua-users.org/lists/lua-l/2021-11/msg00204.html"},{"type":"WEB","url":"https://access.redhat.com/security/cve/cve-2021-44647"},{"type":"WEB","url":"https://access.redhat.com/security/cve/cve-2021-44647"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202305-23"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202305-23"}],"affected":[{"package":{"name":"Lua_jll","ecosystem":"Julia","purl":"pkg:julia/Lua_jll?uuid=a4086b1d-a96a-5d6b-8e4f-2030e6f25ba6"},"ranges":[{"type":"SEMVER","events":[{"introduced":"5.4.3+0"},{"fixed":"5.4.4+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-557.json"}}],"schema_version":"1.7.5"}