This update for lua53 fixes the following issues: Update to version 5.3.6: - CVE-2020-24371: lgc.c mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage - CVE-2020-24370: ldebug.c allows a negation overflow and segmentation fault in getlocal and setlocal - Long brackets with a huge number of "=" overflow some internal buffer arithmetic.