CVE-2025-55644: Use-After-Fe in GPAC/MP4Box via gf_node_get_tag on crafted MP4 file with invalid BIFS GlobalQuantizer command

Published Jun 13, 2026
·
Updated

A heap use-after-free in the gfnodegettag function (scenegraph/basescenegraph.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Affected Software

2 affected components
Gpac MP4Box=2.4
Gpac GPAC<26.02.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Remove

    Remove GPAC MP4Box v2.4 from your environment.

    Uninstall or remove GPAC MP4Box v2.4 from affected systems or disable its use until a vendor-provided fix is available. Do not open untrusted or unverified MP4 files with this binary.

  2. Compensating control

    Mitigate exposure by isolating or sandboxing any remaining MP4 processing (run MP4Box in a low-privilege container or restricted environment), and restrict ingestion of MP4 files from untrusted sources via network/file access controls.

Event History

Jun 15, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·08:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-55644?

CVE-2025-55644 is rated with a medium severity score of 5.5.

2

How does CVE-2025-55644 affect GPAC MP4Box?

CVE-2025-55644 allows attackers to cause a Denial of Service (DoS) by exploiting a heap use-after-free vulnerability in GPAC MP4Box.

3

What causes the vulnerability described in CVE-2025-55644?

The vulnerability occurs in the gf_node_get_tag function when processing crafted MP4 files containing an invalid BIFS GlobalQuantizer command.

4

Which version of GPAC MP4Box is affected by CVE-2025-55644?

CVE-2025-55644 affects GPAC MP4Box version 2.4.

5

How can I mitigate the risks associated with CVE-2025-55644?

Mitigating the risks of CVE-2025-55644 involves avoiding the use of crafted MP4 files and ensuring GPAC is updated to the latest version.

Contact

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