---
cve: "CVE-2026-5403"
severity: "HIGH"
cvss: 7.8
epss: "16%"
vendor: "Wireshark Foundation"
kev: false
exploited: false
published: "2026-04-30 23:04:03"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T22:10:05+02:00"
---

# CVE-2026-5403

> 7.8 HIGH

## Beschreibung

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 8b505c070d65e18c1f33823c4f3fe78af6034b6d (Commit)
- b40c46f8386770910317bea2e9187b835502d1b4 (Commit)

## Referenzen

- <https://www.wireshark.org/security/wnpa-sec-2026-16.html>
- <https://gitlab.com/wireshark/wireshark/-/issues/21103>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-5403) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_