system
Describe <CVE-2020-15945>.
user
What is <CVE-2020-15945>?
assistant
Lua through 5.4.0 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..