CVE-2021-45985
7.5
HIGH
CVSS 3.1
EPSS 0.33%
Description
In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.
How to fix CVE-2021-45985
To remediate CVE-2021-45985, 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-2021-45985 being exploited?
Low — EPSS is 0.3%, 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 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |