---
cve: "CVE-2025-9951"
severity: "HIGH"
cvss: 7.2
epss: "40%"
vendor: "FFMPEG"
kev: false
exploited: false
published: "2025-09-09 14:15:49"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T07:15:11+02:00"
---

# CVE-2025-9951

> 7.2 HIGH · 🧪 PoC

## Beschreibung

A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://github.com/google/security-research/security/advisories/GHSA-39q3-f8jq-v6mg>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-9951) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_