{"id":"CVE-2019-6706","aliases":["ALPINE-CVE-2019-6706","ALSA-2019:3706","AZL-6669","BELL-CVE-2019-6706","DEBIAN-CVE-2019-6706","DLA-3469-1","EUVD-2019-16264","GHSA-f6gj-vrmg-ccf7","JLSEC-2026-553","RHSA-2019:3706","RLSA-2019:3706","SUSE-SU-2019:0247-1","UBUNTU-CVE-2019-6706","USN-3941-1","openSUSE-SU-2019:0175-1"],"status":"published","title":"Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.1738,"percentile":0.97138,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-416"],"published":"2019-01-23T00:00:00Z","modified":"2026-10-29T11:00:05Z","exploits":[{"source":"exploitdb","id":"EDB-46246","title":"Lua 5.3.5 - 'debug.upvaluejoin' Use After 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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.","status":"published","published":"2019-01-23T00:00:00Z","modified":"2024-08-04T20:31:04.249Z","updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-16264","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.","status":"published","published":"2019-01-23T00:00:00Z","modified":"2024-08-04T20:31:04Z","updated_at":"2026-11-03T03:06:48.659106Z"}],"ghsa":[{"id":"GHSA-f6gj-vrmg-ccf7","title":"Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might...","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.","status":"published","published":"2022-05-13T01:30:42Z","modified":"2023-06-23T03:30:56Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:54:38.89081Z"}],"nvd":[{"id":"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.","status":"published","published":"2019-01-23T19:29:00.447Z","modified":"2026-06-17T02:39:32.64Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:05:02.989216Z"}],"osv":[{"id":"ALPINE-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.","status":"published","published":"2019-01-23T19:29:00.447Z","modified":"2026-09-21T06:17:52.532865657Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:48.11886Z"},{"id":"AZL-6669","title":"CVE-2019-6706 affecting package lua for versions less than 5.3.5-11","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.","status":"published","published":"2019-01-23T19:29:00Z","modified":"2026-04-21T04:37:56.922117Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:08.354547Z"},{"id":"BELL-CVE-2019-6706","title":"CVE-2019-6706 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:13:47.466129Z","modified":"2026-01-26T09:47:34.397244Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:15.340685Z"},{"id":"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.","status":"published","published":"2019-01-23T19:29:00.447Z","modified":"2026-10-20T13:57:28.761978225Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:12.675558Z"},{"id":"DEBIAN-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.","status":"published","published":"2019-01-23T19:29:00.447Z","modified":"2026-09-21T07:02:51.22866624Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:32.57265Z"},{"id":"JLSEC-2026-553","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.","status":"published","published":"2026-05-26T19:45:06.761Z","modified":"2026-07-25T18:24:37.826793095Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:47:18.573531Z"},{"id":"RHSA-2019:3706","title":"Red Hat Security Advisory: lua security and bug fix update","status":"published","published":"2024-09-16T02:38:44Z","modified":"2026-08-05T10:06:42Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:06.535721Z"},{"id":"RLSA-2019:3706","title":"Moderate: lua security and bug fix update","description":"The lua packages provide support for Lua, a powerful light-weight programming language designed for extending applications. Lua is also frequently used as a general-purpose, stand-alone language.\n\nSecurity Fix(es):\n\n* lua: use-after-free in lua_upvaluejoin in lapi.c resulting in denial of service (CVE-2019-6706)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.1 Release Notes linked from the References section.","status":"published","published":"2019-11-05T20:53:20Z","modified":"2026-02-04T18:30:08.467854Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.969672Z"},{"id":"UBUNTU-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.","status":"published","published":"2019-01-23T00:00:00Z","modified":"2026-04-22T12:21:24.044227Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:21.741399Z"},{"id":"ALSA-2019:3706","title":"Moderate: lua security and bug fix update","description":"The lua packages provide support for Lua, a powerful light-weight programming language designed for extending applications. Lua is also frequently used as a general-purpose, stand-alone language.\n\nSecurity Fix(es):\n\n* lua: use-after-free in lua_upvaluejoin in lapi.c resulting in denial of service (CVE-2019-6706)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2019-11-05T20:53:20Z","modified":"2026-10-29T11:00:05.732153882Z","updated_at":"2026-11-02T15:27:51.196609Z"},{"id":"DLA-3469-1","title":"lua5.3 - security update","status":"published","published":"2023-06-23T00:00:00Z","modified":"2026-03-09T01:19:05.586852Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"openSUSE-SU-2019:0175-1","title":"Security update for lua53","description":"This update for lua53 fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2019-6706: Fixed a use-after-free bug in the lua_upvaluejoin function of lapi.c (bsc#1123043)\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-03-23T10:58:33Z","modified":"2025-05-02T04:30:18.873493Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"SUSE-SU-2019:0247-1","title":"Security update for lua53","description":"This update for lua53 fixes the following issues:\n\nSecurity issue fixed:\n\n- CVE-2019-6706: Fixed a use-after-free bug in the lua_upvaluejoin function of lapi.c (bsc#1123043)\n","status":"published","published":"2019-02-06T06:18:47Z","modified":"2026-02-04T04:18:33.037968Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"USN-3941-1","title":"lua5.3 vulnerability","description":"Fady Othman discovered that Lua incorrectly handled certain scripts.\nAn attacker could possibly use this issue to cause a denial of service.\n","status":"published","published":"2019-04-08T16:58:43Z","modified":"2026-04-22T09:55:32.065833Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}