A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.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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Solution

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Workaround

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History

Fri, 12 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Gpac gpac
CPEs cpe:2.3:a:gpac:gpac:2.4:*:*:*:*:*:*:*
Vendors & Products Gpac gpac

Wed, 10 Jun 2026 17:45:00 +0000

Type Values Removed Values Added
Title GPAC MP4Box Null Pointer Dereference Leading to Denial of Service

Wed, 10 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 10 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Gpac
Gpac mp4box
Vendors & Products Gpac
Gpac mp4box

Tue, 09 Jun 2026 23:45:00 +0000

Type Values Removed Values Added
Title GPAC MP4Box Null Pointer Dereference Leading to Denial of Service
Weaknesses CWE-476

Tue, 09 Jun 2026 18:45:00 +0000

Type Values Removed Values Added
Description A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.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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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-10T13:49:40.977Z

Reserved: 2025-08-13T00:00:00.000Z

Link: CVE-2025-55651

cve-icon Vulnrichment

Updated: 2026-06-10T13:49:30.826Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-09T19:17:31.290

Modified: 2026-06-12T16:39:59.680

Link: CVE-2025-55651

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-10T17:30:36Z

Weaknesses