---
cve: "CVE-2021-3968"
severity: "HIGH"
cvss: 8.0
epss: "2.1%"
vendor: "vim"
kev: false
exploited: false
published: "2021-11-19 12:15:09"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T10:49:09+02:00"
---

# CVE-2021-3968

> 8.0 HIGH · 🧪 PoC

## Beschreibung

vim is vulnerable to Heap-based Buffer Overflow

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
```

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

## Patch verfügbar (OSV)

- a062006b9de0b2947ab5fb376c6e67ef92a8cd69 (Commit)

## Referenzen

- <https://huntr.dev/bounties/00d62924-a7b4-4a61-ba29-acab2eaa1528>
- <https://github.com/vim/vim/commit/a062006b9de0b2947ab5fb376c6e67ef92a8cd69>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/>
- <http://www.openwall.com/lists/oss-security/2022/01/15/1>
- <https://security.gentoo.org/glsa/202208-32>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-3968) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_