{"api_version":"1","generated_at":"2026-04-23T01:11:59+00:00","cve":"CVE-2019-6706","urls":{"html":"https://cve.report/CVE-2019-6706","api":"https://cve.report/api/cve/CVE-2019-6706.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-6706","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-6706"},"summary":{"title":"CVE-2019-6706","description":"Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2019-01-23 19:29:00","updated_at":"2023-06-23 01:15:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"https://access.redhat.com/security/cve/cve-2019-6706","name":"https://access.redhat.com/security/cve/cve-2019-6706","refsource":"MISC","tags":[],"title":"CVE-2019-6706 - Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html","name":"http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html","refsource":"MISC","tags":["Exploit","Issue Tracking","Third Party Advisory"],"title":"Lua-l - [Bug Report] Use after free in debug.upvaluejoin | List View","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2019:3706","name":"RHSA-2019:3706","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.exploit-db.com/exploits/46246/","name":"46246","refsource":"EXPLOIT-DB","tags":["Exploit","Patch","Third Party Advisory","VDB Entry"],"title":"Lua 5.3.5 - 'debug.upvaluejoin' Use After Free - Multiple dos Exploit","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://usn.ubuntu.com/3941-1/","name":"USN-3941-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3941-1: Lua vulnerability | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lua-users.org/lists/lua-l/2019-01/msg00039.html","name":"http://lua-users.org/lists/lua-l/2019-01/msg00039.html","refsource":"MISC","tags":[],"title":"[Bug Report] Use after free in debug.upvaluejoin","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html","name":"[debian-lts-announce] 20230622 [SECURITY] [DLA 3469-1] lua5.3 security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3469-1] lua5.3 security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e","name":"https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e","refsource":"MISC","tags":[],"title":"Fixed bug in 'lua_upvaluejoin' · lua/lua@89aee84 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf","name":"https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf","refsource":"MISC","tags":[],"title":"cve-analysis/CVE-2019-6706.pdf at a43c9ccd00274b31fa2f24c6c8f20ce36655682d · Lua-Project/cve-analysis · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html","name":"http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html","refsource":"MISC","tags":[],"title":"Lua 5.3.5 Use-After-Free ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-6706","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6706","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"6706","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"6706","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"6706","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"6706","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"6706","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"6706","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"6706","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lua","cpe5":"lua","cpe6":"5.3.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"6706","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lua","cpe5":"lua","cpe6":"5.3.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-6706","qid":"296071","title":"Oracle Solaris 11.4 Support Repository Update (SRU) 27.82.1 Missing (CPUOCT2020)"},{"cve":"CVE-2019-6706","qid":"500556","title":"Alpine Linux Security Update for lua5.3"},{"cve":"CVE-2019-6706","qid":"501751","title":"Alpine Linux Security Update for lua5.4"},{"cve":"CVE-2019-6706","qid":"504124","title":"Alpine Linux Security Update for lua5.3"},{"cve":"CVE-2019-6706","qid":"504125","title":"Alpine Linux Security Update for lua5.4"},{"cve":"CVE-2019-6706","qid":"6000153","title":"Debian Security Update for lua5.3 (DLA 3469-1)"},{"cve":"CVE-2019-6706","qid":"900048","title":"CBL-Mariner Linux Security Update for lua 5.3.5"},{"cve":"CVE-2019-6706","qid":"901011","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for lua (6669-1)"},{"cve":"CVE-2019-6706","qid":"903062","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for lua (2654)"},{"cve":"CVE-2019-6706","qid":"940062","title":"AlmaLinux Security Update for lua (ALSA-2019:3706)"},{"cve":"CVE-2019-6706","qid":"960769","title":"Rocky Linux Security Update for lua (RLSA-2019:3706)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-6706","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 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html","url":"http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html"},{"refsource":"MISC","name":"https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf","url":"https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf"},{"refsource":"MISC","name":"https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e","url":"https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e"},{"refsource":"MISC","name":"http://lua-users.org/lists/lua-l/2019-01/msg00039.html","url":"http://lua-users.org/lists/lua-l/2019-01/msg00039.html"},{"refsource":"MISC","name":"https://access.redhat.com/security/cve/cve-2019-6706","url":"https://access.redhat.com/security/cve/cve-2019-6706"},{"refsource":"MLIST","name":"[debian-lts-announce] 20230622 [SECURITY] [DLA 3469-1] lua5.3 security update","url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html"}]}},"nvd":{"publishedDate":"2019-01-23 19:29:00","lastModifiedDate":"2023-06-23 01:15:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"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:5.3.5:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"6706","Ordinal":"144437","Title":"CVE-2019-6706","CVE":"CVE-2019-6706","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"6706","Ordinal":"1","NoteData":"Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"6706","Ordinal":"2","NoteData":"2019-01-23","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"6706","Ordinal":"3","NoteData":"2019-11-05","Type":"Other","Title":"Modified"}]}}}