{"id":"CVE-2020-24342","aliases":["BELL-CVE-2020-24342","BIT-lua-2020-24342","DEBIAN-CVE-2020-24342","EUVD-2020-17076","GHSA-ggfm-9pxx-qx8r","openSUSE-SU-2024:11029-1","openSUSE-SU-2025:15401-1"],"status":"published","title":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection...","description":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01085,"percentile":0.65685,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2020-08-13T18:54:20Z","modified":"2026-10-26T12:02:30Z","fixes":[{"ecosystem":"Bitnami","package":"lua","fixed_in":["5.4.1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"lua5.4","fixed_in":["5.4.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"lua5.4","fixed_in":["5.4.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"lua5.4","fixed_in":["5.4.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"lua","ranges":[{"type":"SEMVER","events":[{"introduced":"5.4.0"},{"fixed":"5.4.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"lua5.4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"lua5.4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"lua5.4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.1-1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"lua55","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.0~beta1-1.1"}]}],"bundled":9}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"lua","product":"lua"}],"references":[{"url":"http://lua-users.org/lists/lua-l/2020-07/msg00052.html","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Vendor Advisory","advisory","evidence"]},{"url":"https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24342","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/"},{"url":"https://github.com/advisories/GHSA-ggfm-9pxx-qx8r"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2020-24342","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-24342","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15888","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15945","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24342","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24369","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24370","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24371","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-43519","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-44647","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-33099","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-24342","description":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.","status":"published","published":"2020-08-13T18:54:20Z","modified":"2024-08-04T15:12:08.657Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17076","description":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.","status":"published","published":"2020-08-13T18:54:20Z","modified":"2024-08-04T15:12:08Z","updated_at":"2026-11-03T03:07:20.249898Z"}],"ghsa":[{"id":"GHSA-ggfm-9pxx-qx8r","title":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection...","description":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.","status":"published","published":"2022-05-24T17:25:36Z","modified":"2023-01-29T05:04:09Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:28.958037Z"}],"nvd":[{"id":"CVE-2020-24342","description":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.","status":"published","published":"2020-08-13T19:15:13.613Z","modified":"2026-06-17T03:05:24.187Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"BELL-CVE-2020-24342","title":"CVE-2020-24342 does not affect BellSoft software","status":"withdrawn","published":"2020-08-13T19:15:00Z","modified":"2026-01-26T09:49:04.905083Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:15.925958Z"},{"id":"CVE-2020-24342","description":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.","status":"published","published":"2020-08-13T19:15:13.613Z","modified":"2026-10-20T13:56:05.010445583Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-24342","description":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.","status":"published","published":"2020-08-13T19:15:13.613Z","modified":"2026-10-26T12:02:30.623124394Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"BIT-lua-2020-24342","description":"Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.","status":"published","published":"2024-03-06T10:57:11.098Z","modified":"2026-09-08T08:48:09.154346905Z","updated_at":"2026-11-02T15:28:32.645004Z"},{"id":"openSUSE-SU-2024:11029-1","title":"liblua5_4-5-32bit-5.4.3-4.2 on GA media","description":"These are all security issues fixed in the liblua5_4-5-32bit-5.4.3-4.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:21:54.017651Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"openSUSE-SU-2025:15401-1","title":"liblua5_5-5-5.5.0~beta1-1.1 on GA media","description":"These are all security issues fixed in the liblua5_5-5-5.5.0~beta1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-08-03T00:00:00Z","modified":"2026-03-23T04:53:43.51161Z","updated_at":"2026-11-02T16:58:37.810934Z"}]}}