Vulnerability in Lua
CVE-2020-24371
lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.017 (76.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.017 · change: -0.000
Affected products
- Lua — versions 5.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/lua/lua/commit/a6da1472c0c5e05ff249325f979531ad51533110 (Patch, Third Party Advisory)
- www.lua.org/bugs.html (Exploit, Patch, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-24371?
- CVE-2020-24371 is a medium-severity vulnerability in Lua, classified under Release of Invalid Pointer or Reference. CVSS score: 5.3/10. Published 2020-08-17.
- How severe is CVE-2020-24371?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-24371 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.