Heap-Based Buffer Overflow in GPAC's MP4Box Affects Local Security
CVE-2025-15668

4.8MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
6 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15668?

A vulnerability has been identified in GPAC's MP4Box component, specifically within the sgpd_del_entry function of the source file box_code_base.c. The issue allows for a heap-based buffer overflow, which can be exploited by an attacker with local access. This provides a method for data manipulation, potentially allowing for unauthorized actions or data corruption. A publicly available exploit could be utilized, making it critical for users to apply the patch identified as f29f955f2a3b5e8e507caad3e52319f961bf37bf to mitigate the risk.

Affected Version(s)

GPAC b40ce70f5

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-2025-15668 - Proof of Concept

References

https://vuldb.com/vuln/376293
vdb-entrytechnical-description
https://vuldb.com/vuln/376293/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2025-15668
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

noki (VulDB User)
.