{"api_version":"1","generated_at":"2026-04-22T23:31:41+00:00","cve":"CVE-2020-15945","urls":{"html":"https://cve.report/CVE-2020-15945","api":"https://cve.report/api/cve/CVE-2020-15945.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-15945","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-15945"},"summary":{"title":"CVE-2020-15945","description":"Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-07-24 21:15:00","updated_at":"2023-04-20 18:39:00"},"problem_types":["NVD-CWE-Other"],"metrics":[],"references":[{"url":"http://lua-users.org/lists/lua-l/2020-07/msg00123.html","name":"http://lua-users.org/lists/lua-l/2020-07/msg00123.html","refsource":"MISC","tags":["Exploit","Mailing List","Third Party Advisory"],"title":"Segmentation fault in changedline","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3","name":"https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Fixed bug: invalid 'oldpc' when returning to a function · lua/lua@a219564 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15945","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15945","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"15945","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lua","cpe5":"lua","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15945","vulnerable":"1","versionEndIncluding":"5.4.0","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lua","cpe5":"lua","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-15945","qid":"296071","title":"Oracle Solaris 11.4 Support Repository Update (SRU) 27.82.1 Missing (CPUOCT2020)"},{"cve":"CVE-2020-15945","qid":"900246","title":"CBL-Mariner Linux Security Update for lua 5.3.5"},{"cve":"CVE-2020-15945","qid":"901374","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for lua (6671-1)"},{"cve":"CVE-2020-15945","qid":"903379","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for lua (2658)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-15945","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"http://lua-users.org/lists/lua-l/2020-07/msg00123.html","refsource":"MISC","name":"http://lua-users.org/lists/lua-l/2020-07/msg00123.html"},{"url":"https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3","refsource":"MISC","name":"https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3"}]}},"nvd":{"publishedDate":"2020-07-24 21:15:00","lastModifiedDate":"2023-04-20 18:39:00","problem_types":["NVD-CWE-Other"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:P","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":2.1},"severity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3.1","versionEndExcluding":"5.4.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"15945","Ordinal":"177352","Title":"CVE-2020-15945","CVE":"CVE-2020-15945","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"15945","Ordinal":"1","NoteData":"Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"15945","Ordinal":"2","NoteData":"2020-07-24","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"15945","Ordinal":"3","NoteData":"2020-07-24","Type":"Other","Title":"Modified"}]}}}