---
id: CVE-2025-55667
title: >-
  A segmentation violation in the dump_isom_saps function (/mp4box/filedump.c)
  of GPAC MP4Box v2.5-DEV-rev1672-gc9a31d0e1-masterallows attackers to cause a
  Denial of Service (DoS) via supplying a crafted MP4 file.
summary: >-
  A segmentation violation in the dump_isom_saps function (/mp4box/filedump.c)
  of GPAC MP4Box v2.5-DEV-rev1672-gc9a31d0e1-masterallows attackers to cause a
  Denial of Service (DoS) via supplying a crafted MP4 file.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cvssSource: adp
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-19T20:09:38.043850Z'
exploitAvailable: true
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T20:10:18.315Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-55667'
references:
  - url: 'https://github.com/gpac/gpac/issues/3321'
  - url: >-
      https://github.com/gpac/gpac/commit/e6d01820d7bf3967d931fedb379ee5f209bc133b
  - url: >-
      https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/57/57_dump_isom_saps_filedump_c_1743
  - url: 'https://infosec.exchange/@sigdevel/117456648463009125'
tags:
  - cve.org
  - exploit-available
ingestedAt: '2026-10-19T18:35:50.155Z'
---

## Overview

A segmentation violation in the dump_isom_saps function (/mp4box/filedump.c) of GPAC MP4Box v2.5-DEV-rev1672-gc9a31d0e1-masterallows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.