5.6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
12.8%
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.
lua-users.org/lists/lua-l/2020-07/msg00123.html
github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3