---
cve: "CVE-2026-76886"
severity: "HIGH"
cvss: 8.1
epss: "27%"
vendor: "Wireshark Foundation"
kev: false
exploited: false
published: "2026-08-19 23:16:19"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-05T21:20:14+02:00"
---

# CVE-2026-76886

> 8.1 HIGH

## Beschreibung

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| 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)

- b6c99a3f2a1aecf7926e7e64a94488b2bd071571 (Commit)
- e677bf052328efc1ed897a547fa161836a0e4ff7 (Commit)

## Referenzen

- <https://www.wireshark.org/security/wnpa-sec-2026-75.html>
- <https://gitlab.com/wireshark/wireshark/-/work_items/21439>
- <https://gitlab.com/wireshark/wireshark/-/work_items/21446>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-76886) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_