CVE-2025-55661
Received Received - Intake
Heap Buffer Overflow in GPAC MP4Box

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: MITRE

Description
A heap buffer overflow in the Opus audio stream parser component of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
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Meta Information
Published
2026-06-15
Last Modified
2026-06-15
Generated
2026-06-16
AI Q&A
2026-06-15
EPSS Evaluated
N/A
NVD
CVE-2025-55661
EUVD
EUVD-2025-210152
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
gpac mp4box 2.4
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is a heap buffer overflow in the Opus audio stream parser component of GPAC MP4Box version 2.4. It occurs when the software processes a specially crafted MP4 file, which causes it to overwrite memory in the heap.

Such a buffer overflow can lead to unexpected behavior, including crashes or denial of service.

Impact Analysis

The primary impact of this vulnerability is that an attacker can cause a Denial of Service (DoS) by supplying a maliciously crafted MP4 file to the vulnerable GPAC MP4Box software.

This means the software may crash or become unresponsive, disrupting normal operations.

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