medium5.5
CVE-2020-15945
Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an old…
Impact
Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Lua | Lua | from 5.3.1 before 5.4.0 |
References
- NVD record
- CVE.org record
- http://lua-users.org/lists/lua-l/2020-07/msg00123.html
- https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3
- https://www.lua.org/bugs.html#5.4.0-8
- http://lua-users.org/lists/lua-l/2020-07/msg00123.html
- https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3