Description
A heap buffer overflow in the stbl_AddSize function (isomedia/stbl_write.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
Published: 2026-10-16
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories

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History

Mon, 26 Oct 2026 20:45:00 +0100

Type Values Removed Values Added
Title Heap Buffer Overflow in GPAC MP4Box Leading to Denial of Service

Mon, 26 Oct 2026 19:30:00 +0100

Type Values Removed Values Added
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, 21 Oct 2026 22:30:00 +0200

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

Sat, 17 Oct 2026 20:30:00 +0200

Type Values Removed Values Added
References

Fri, 16 Oct 2026 22:15:00 +0200

Type Values Removed Values Added
Title Heap Buffer Overflow in GPAC MP4Box Leading to Denial of Service
Weaknesses CWE-122

Fri, 16 Oct 2026 20:30:00 +0200

Type Values Removed Values Added
Description A heap buffer overflow in the stbl_AddSize function (isomedia/stbl_write.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-26T17:26:18.665Z

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

Link: CVE-2025-55640

cve-icon Vulnrichment

Updated: 2026-10-17T18:07:59.322Z

cve-icon NVD

Status : Deferred

Published: 2026-10-16T19:16:56.243

Modified: 2026-10-26T18:17:08.117

Link: CVE-2025-55640

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T20:30:15Z

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow