CVE-2020-24370
lua5.3 - security update
5.3
MEDIUM
CVSS 3.1
EPSS 2.0%
Description
ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).
How to fix CVE-2020-24370
To remediate CVE-2020-24370, upgrade the affected package to a fixed version below.
- Bitnami/lua—upgrade to 5.2.4 or later
- Debian/lua5.3—upgrade to 5.3.3-1.1+deb11u1 or later
- —upgrade to 5.3.3-1+deb9u1 or later
- —upgrade to 5.4.1-1 or later
Is CVE-2020-24370 being exploited?
Low — EPSS is 2.0%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- >= 5.2.0, < 5.2.4, >= 5.3.0, < 5.3.6, >= 5.4.0, < 5.4.1
- from 0, < 5.3.3-1.1+deb11u1
- from 0, < 5.3.3-1+deb9u1
- from 0, < 5.4.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |