CVE-2021-44964

MEDIUM

Lua 5.4.0-5.4.3 - Use-After-Free in Garbage Collector

Title source: llm
STIX 2.1

Description

Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file.

References (5)

Core 5
Core References
Exploit, Mailing List, Technical Description, Vendor Advisory x_refsource_misc
http://lua-users.org/lists/lua-l/2021-11/msg00186.html
Exploit, Mailing List, Vendor Advisory x_refsource_misc
http://lua-users.org/lists/lua-l/2021-12/msg00007.html
Mailing List, Vendor Advisory x_refsource_misc
http://lua-users.org/lists/lua-l/2021-12/msg00015.html
Mailing List, Vendor Advisory x_refsource_misc
http://lua-users.org/lists/lua-l/2021-12/msg00030.html

Scores

CVSS v3 6.3
EPSS 0.0098
EPSS Percentile 58.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

Details

CWE
CWE-416
Status published
Products (1)
lua/lua 5.4.0 - 5.4.3
Published Mar 14, 2022
Tracked Since Feb 18, 2026