CVE-2020-15888

8.8 highEPSS 2.4%

High (8.8) in lua lua. EPSS 2.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWEs: CWE-125, CWE-416, CWE-787
Published: 2020-07-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

lua:lua

References

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

Check your stack JSON