---
cve: "CVE-2020-15889"
severity: "CRITICAL"
cvss: 9.8
epss: "66.6%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2020-07-21 22:15:12"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T16:31:40+02:00"
---

# CVE-2020-15889

> 9.8 CRITICAL

## Beschreibung

Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 127e7a6c8942b362aa3c6627f44d660a4fb75312 (Commit)

## Referenzen

- <http://lua-users.org/lists/lua-l/2020-07/msg00078.html>
- <http://lua-users.org/lists/lua-l/2020-12/msg00157.html>
- <https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-15889) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_