CVEvulnerability
CVE-2019-6706
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-01-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-416
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.
Affected configurations
• lua lua 5.3.5
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://lua-users.org/lists/lua-l/2019-01/msg00039.html Broken Link
- http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html Exploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2019-6706 Third Party Advisory
- https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf Exploit, Third Party Advisory
- https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html lists.debian.org
- http://lua-users.org/lists/lua-l/2019-01/msg00039.html Broken Link
- http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html Exploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2019-6706 Third Party Advisory
- https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf Exploit, Third Party Advisory
- https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html lists.debian.org