Memory Leak Vulnerability in GPAC MP4Box Affected by Local Exploitation
CVE-2026-9572

4.8MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
26 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9572?

A memory leak has been identified in GPAC MP4Box versions up to 2.4.0, specifically in the Media_GetSample function located in the file src/isomedia/media.c. This vulnerability can be exploited locally by manipulating the argument cat, leading to potential Denial of Service conditions. The exploitation has been publicly disclosed, making it imperative for users to apply the recommended patch (commit e79c5cbe8b3fed27f4854ec229457d30c96206f1) to safeguard their systems against potential attacks.

Affected Version(s)

GPAC 2.0

GPAC 2.1

GPAC 2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-9572 - Proof of Concept

References

https://vuldb.com/vuln/365631
vdb-entrytechnical-description
https://vuldb.com/vuln/365631/cti
signaturepermissions-required
https://vuldb.com/submit/817137
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

fczhang (VulDB User)
.