PT-2020-15713 · Lua+1 · Lua+1

Eric Oertel · Published 2020-08-17 · Updated 2025-08-03 · CVE-2020-24371

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Lua version 5.4.0

Description The issue is related to the interaction between barriers and the sweep phase in the lgc.c component of Lua, leading to a memory access violation involving collectgarbage.

Recommendations For Lua version 5.4.0, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Weakness Enumeration

CWE-763

Related Identifiers

AZL-40962

BIT-LUA-2020-24371

CVE-2020-24371

OPENSUSE-SU-2021:0962-1

OPENSUSE-SU-2021:2196-1

OPENSUSE-SU-2021_0962-1

OPENSUSE-SU-2021_2196-1

OPENSUSE-SU-2024:11028-1

OPENSUSE-SU-2024:11029-1

OPENSUSE-SU-2025:15401-1

SUSE-SU-2021:2196-1

Affected Products

Lua

Suse

References · 27

• 🔥 https://lua.org/bugs.html#5.4.0-10 · Exploit
• https://github.com/lua/lua/commit/a6da1472c0c5e05ff249325f979531ad51533110 · Patch
• https://security-tracker.debian.org/tracker/CVE-2020-24371 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-24371 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-40962 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2196-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-24371 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2025:15401-1 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-lua-2020-24371 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:0962-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:2196-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-24371 · Vendor Advisory
• https://suse.com/security/cve/CVE-2020-24371 · Note
• https://t.me/cvenotify/42998 · Telegram Post
• https://bugzilla.suse.com/1175448 · Note