CVE-2025-55649
Received Received - Intake
NULL Pointer Dereference in GPAC MP4Box DoS Vulnerability

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: MITRE

Description
A NULL pointer dereference in the gf_media_map_esd function (media_tools/isom_tools.c) 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-2025-55649
EUVD
EUVD-2025-210148
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-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability is a NULL pointer dereference in the gf_media_map_esd function within the media_tools/isom_tools.c file of GPAC MP4Box version 2.4. It occurs when the software processes a specially crafted MP4 file, which causes the program to attempt to access memory through a NULL pointer, leading to a crash.

Essentially, an attacker can exploit this flaw by providing a malicious MP4 file that triggers this error, causing the application to stop functioning properly.

Impact Analysis

The primary impact of this vulnerability is a Denial of Service (DoS). By exploiting the NULL pointer dereference, an attacker can cause the GPAC MP4Box application to crash or become unresponsive.

This can disrupt services or workflows that rely on MP4Box for media processing, potentially leading to downtime or interruption of media-related operations.

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