{"id":"CVE-2020-24369","details":"ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a NULL pointer dereference.","aliases":["BIT-lua-2020-24369"],"modified":"2026-07-08T19:02:35.077490Z","published":"2020-08-17T17:15:13.817Z","related":["openSUSE-SU-2024:11029-1","openSUSE-SU-2025:15401-1"],"references":[{"type":"FIX","url":"https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3a"},{"type":"EVIDENCE","url":"https://www.lua.org/bugs.html#5.4.0-12"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/lua/lua","events":[{"introduced":"c33b1728aeb7dfeec4013562660e07d32697aa6b"},{"last_affected":"c33b1728aeb7dfeec4013562660e07d32697aa6b"},{"fixed":"ae5b5ba529753c7a653901ffc29b5ea24c3fdf3a"}],"database_specific":{"cpe":"cpe:2.3:a:lua:lua:5.4.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"5.4.0-NA"},{"last_affected":"5.4.0-NA"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["5.4.0-NA","v5.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-24369.json","vanir_signatures_modified":"2026-07-08T19:02:35Z","vanir_signatures":[{"signature_version":"v1","source":"https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3a","target":{"file":"ldebug.c"},"deprecated":false,"digest":{"line_hashes":["191357327930270353914184361696403200245","81257735572345837800767669984728473029","79202178554810973801731794510384921731","214496039041368728151161948384834180113","327015659194682228887671907297498597185","131947794654282215377006389794341554693","142406554357787015911062368758120942388","283583517597706205043460995415619269999","252187278128377095359608730677865696776"],"threshold":0.9},"id":"CVE-2020-24369-09480371","signature_type":"Line"},{"deprecated":false,"digest":{"function_hash":"112196691550847094243539598721974676716","length":233},"id":"CVE-2020-24369-708972b8","signature_type":"Function","signature_version":"v1","source":"https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3a","target":{"function":"changedline","file":"ldebug.c"}}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}