LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
Priority LOW 38CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
Why it matters now
EPSS 0.03126 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:luajit:luajit:*:*:*:*:*:*:*:* | up to 2.0.5 | Vulnerable | Luajit |
| cpe:2.3:a:luajit:luajit:2.1.0:beta1:*:*:*:*:*:* | 2.1.0 beta1 | Vulnerable | Luajit |
| cpe:2.3:a:luajit:luajit:2.1.0:beta2:*:*:*:*:*:* | 2.1.0 beta2 | Vulnerable | Luajit |
| cpe:2.3:a:luajit:luajit:2.1.0:beta3:*:*:*:*:*:* | 2.1.0 beta3 | Vulnerable | Luajit |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 16.04 | Vulnerable | Canonical |
- cpe:2.3:a:luajit:luajit:*:*:*:*:*:*:*:* Versions up to 2.0.5 Vulnerable ·Luajit
- cpe:2.3:a:luajit:luajit:2.1.0:beta1:*:*:*:*:*:* Versions 2.1.0 beta1 Vulnerable ·Luajit
- cpe:2.3:a:luajit:luajit:2.1.0:beta2:*:*:*:*:*:* Versions 2.1.0 beta2 Vulnerable ·Luajit
- cpe:2.3:a:luajit:luajit:2.1.0:beta3:*:*:*:*:*:* Versions 2.1.0 beta3 Vulnerable ·Luajit
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 1 | Affected | No fix planned: Will not fix |
| Advanced Virtualization CodeReady Builder for RHEL 8.2.1 | Fixed | — |
| Advanced Virtualization for RHEL 8.2.1 | Fixed | — |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15890
- 2026-10-03 Alias added: GHSA-fv6p-x8x2-5jcc
References
Sources
- CVE-2020-15890 · CVE Program
- CVE-2020-15890 · NVD
- FIRST EPSS
- GHSA-fv6p-x8x2-5jcc · GitHub Advisory Database · CC BY 4.0
- CVE-2020-15890 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences