---
cve: "CVE-2025-71438"
severity: "MEDIUM"
cvss: 5.5
epss: "0.2%"
vendor: "n/a"
kev: false
exploited: false
published: "2026-10-21 00:00:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-11-04T16:24:46+01:00"
---

# CVE-2025-71438

> 5.5 MEDIUM · 🧪 PoC

## Beschreibung

An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in GPAC Project/MP4Box before v26.07.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AC4 file.

## CNA-Record (Kanon, cvelistV5)

- CNA: **mitre**
- State: PUBLISHED
- Stand: 2026-10-26 15:45:02

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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 | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-125** — Out-of-bounds Read
  The product reads data past the end, or before the beginning, of the intended buffer.

## Angriffsmuster (CAPEC)

- [CAPEC-540 — Overread Buffers](https://capec.mitre.org/data/definitions/540.html) _(Severity: High)_

## Patch verfügbar (OSV)

- a07cbfff238a331233e11e916f9fb185d5da8604 (Commit)
- 13eb5b76560aaf7813b865a2ad433258478e2695 (Commit)

## Referenzen

- <https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/50/50_gf_odf_ac4_cfg_dsi_v1_odf_descriptors_c_2179>
- <https://github.com/gpac/gpac/issues/3303>
- <https://github.com/gpac/gpac/commit/13eb5b76560aaf7813b865a2ad433258478e2695>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2025-71438/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_