PT-2020-14689 · Lua · Lua

Roberto-Ieru · Published 2020-07-21 · Updated 2025-08-03 · CVE-2020-15888

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Lua versions prior to 5.4.0

Description The issue is related to how Lua handles the interaction between stack resizes and garbage collection, leading to potential heap-based buffer overflow, heap-based buffer over-read, or use-after-free.

Recommendations For versions prior to 5.4.0, update to version 5.4.0 or later to resolve the issue.

Exploit

Fix

Out of bounds Read

Use After Free

Memory Corruption

Weakness Enumeration

CWE-125

CWE-416

CWE-787

Related Identifiers

AZL-6670

BIT-LUA-2020-15888

CVE-2020-15888

OPENSUSE-SU-2024:11029-1

OPENSUSE-SU-2025:15401-1

Affected Products

Lua

References · 22

• 🔥 http://lua-users.org/lists/lua-l/2020-07/msg00079.html · Exploit
• 🔥 http://lua-users.org/lists/lua-l/2020-07/msg00071.html · Exploit
• 🔥 http://lua-users.org/lists/lua-l/2020-07/msg00054.html · Exploit
• 🔥 http://lua-users.org/lists/lua-l/2020-07/msg00053.html · Exploit
• https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7 · Patch
• https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5 · Patch
• https://security-tracker.debian.org/tracker/CVE-2020-15888 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15888 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-15888 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-15888 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-6670 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-lua-2020-15888 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15401-1 · Vendor Advisory
• https://suse.com/security/cve/CVE-2020-24371 · Note
• https://suse.com/security/cve/CVE-2020-24370 · Note