CVE-2020-24342
7.8
HIGH
CVSS 3.1
EPSS 0.31%
Description
Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.
How to fix CVE-2020-24342
To remediate CVE-2020-24342, upgrade the affected package to a fixed version below.
- Bitnami/lua—upgrade to 5.4.1 or later
- Debian/lua5.4—upgrade to 5.4.1-1 or later
Is CVE-2020-24342 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 5.4.0, < 5.4.1
- from 0, < 5.4.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References (5)
- ADVISORYsecurity-tracker.debian.org/tracker/CVE-2020-24342
- WEBlua-users.org/lists/lua-l/2020-07/msg00052.html
- WEBgithub.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27
- WEBlists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/