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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lua-users.org/lists/lua-l/2019-01/msg00039.htmlBroken Link
- http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.htmlExploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2019-6706Third Party Advisory
- https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdfExploit, Third Party Advisory
- https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71ePatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
- http://lua-users.org/lists/lua-l/2019-01/msg00039.htmlBroken Link
- http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.htmlExploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2019-6706Third Party Advisory
- https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdfExploit, Third Party Advisory
- https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71ePatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
Timeline
- Published
- Jan 23, 2019
- Last modified
- Jun 17, 2026
- NVD status
- Modified