CVE-2021-44964

Description

Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file.

Affected Platforms

Weakness Type

CWE-416

References

• http://lua-users.org/lists/lua-l/2021-11/msg00186.html
• http://lua-users.org/lists/lua-l/2021-12/msg00007.html
• http://lua-users.org/lists/lua-l/2021-12/msg00015.html
• http://lua-users.org/lists/lua-l/2021-12/msg00030.html
• https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability
• http://lua-users.org/lists/lua-l/2021-11/msg00186.html