{"id":"CVE-2020-15888","aliases":["AZL-6670","BELL-CVE-2020-15888","BIT-lua-2020-15888","DEBIAN-CVE-2020-15888","EUVD-2020-7862","GHSA-4f5v-4r5w-g4x3","openSUSE-SU-2024:11029-1","openSUSE-SU-2025:15401-1"],"status":"published","title":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection,...","description":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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":0.02435,"percentile":0.84483,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125","CWE-416","CWE-787"],"published":"2020-07-21T21:36:02Z","modified":"2026-10-26T12:02:27Z","fixes":[{"ecosystem":"Azure Linux:2","package":"lua","fixed_in":["5.3.5-11"],"sources":["osv"]},{"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":"Azure Linux:2","package":"lua","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.5-11"}]}]},{"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":"lua","product":"lua"}],"references":[{"url":"https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"http://lua-users.org/lists/lua-l/2020-07/msg00053.html","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory","advisory","evidence"]},{"url":"http://lua-users.org/lists/lua-l/2020-07/msg00054.html","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory","advisory","evidence"]},{"url":"http://lua-users.org/lists/lua-l/2020-07/msg00071.html","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory","advisory","evidence"]},{"url":"http://lua-users.org/lists/lua-l/2020-07/msg00079.html","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory","advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15888","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4f5v-4r5w-g4x3"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2020-15888","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-15888","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-2020-15888","description":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.","status":"published","published":"2020-07-21T21:36:02Z","modified":"2024-08-04T13:30:23.046Z","updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-7862","description":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.","status":"published","published":"2020-07-21T21:36:02Z","modified":"2024-08-04T13:30:23Z","updated_at":"2026-11-03T03:07:29.843843Z"}],"ghsa":[{"id":"GHSA-4f5v-4r5w-g4x3","title":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection,...","description":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.","status":"published","published":"2022-05-24T17:24:02Z","modified":"2023-05-17T00:30:17Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-125","CWE-416"],"updated_at":"2026-11-02T14:54:35.559556Z"}],"nvd":[{"id":"CVE-2020-15888","description":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.","status":"published","published":"2020-07-21T22:15:12.09Z","modified":"2026-06-17T02:57:21.153Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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-125","CWE-416","CWE-787"],"updated_at":"2026-11-02T14:06:10.086163Z"}],"osv":[{"id":"AZL-6670","title":"CVE-2020-15888 affecting package lua for versions less than 5.3.5-11","description":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.","status":"published","published":"2020-07-21T22:15:12Z","modified":"2026-04-21T04:37:57.210152Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:08.354547Z"},{"id":"BELL-CVE-2020-15888","title":"CVE-2020-15888 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:16:01.979678Z","modified":"2026-01-26T09:46:25.926518Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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-2020-15888","description":"Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, 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