CVE-2021-44964
MEDIUM6.3EPSS 0.15%Published: 3/14/2022Modified: 4/28/2026
Also known as:DEBIAN-CVE-2021-44964
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.
Affected packages (2)
- Bitnami/lua>= 5.4.0, < 5.4.4
- Debian/lua5.4from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H |
References (7)
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-44964
- WEBhttp://lua-users.org/lists/lua-l/2021-11/msg00186.html
- WEBhttp://lua-users.org/lists/lua-l/2021-12/msg00007.html
- WEBhttp://lua-users.org/lists/lua-l/2021-12/msg00015.html
- WEBhttp://lua-users.org/lists/lua-l/2021-12/msg00030.html
- WEBhttps://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2021-44964