CVE-2021-44964
6.3
MEDIUM
CVSS 3.1
EPSS 0.15%
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.
How to fix CVE-2021-44964
To remediate CVE-2021-44964, upgrade the affected package to a fixed version below.
- Bitnami/lua—upgrade to 5.4.4 or later
- Debian/lua5.4—no fix listed
Is CVE-2021-44964 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 5.4.0, < 5.4.4
- from 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 |