Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15888
Reference (s):
- http://lua-users.org/lists/lua-l/2020-07/msg00053.html
- http://lua-users.org/lists/lua-l/2020-07/msg00054.html
- http://lua-users.org/lists/lua-l/2020-07/msg00071.html
- http://lua-users.org/lists/lua-l/2020-07/msg00079.html
- https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7