CVE-2020-15945
5.5
MEDIUM
CVSS 3.1
EPSS 0.16%
Description
Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.
How to fix CVE-2020-15945
To remediate CVE-2020-15945, upgrade the affected package to a fixed version below.
- Bitnami/lua—upgrade to 5.4.0 or later
- —upgrade to 5.4.1-1 or later
Is CVE-2020-15945 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 5.3.1, < 5.4.0
- from 0, < 5.4.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |