---
id: CVE-2025-60491
title: >-
  A heap use-after-free in the dasher_flush_segment function (/filters/dasher.c)
  of GPAC Project/MP4Box before 2.5 allows attackers to cause a Denial of
  Service (DoS) via supplying a crafted MP4 file.
summary: >-
  A heap use-after-free in the dasher_flush_segment function (/filters/dasher.c)
  of GPAC Project/MP4Box before 2.5 allows 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: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-26T19:08:10.248895Z'
published: '2026-10-21'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T19:40:28.664Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-60491'
references:
  - url: 'https://github.com/gpac/gpac/issues/3326'
  - url: >-
      https://github.com/gpac/gpac/commit/f6128214feb69cd689e4b9944a2621bc4ad8faf0
  - url: 'https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/61/README.md'
  - url: 'https://infosec.exchange/@sigdevel/117451513352278768'
tags:
  - cve.org
epss: 0.00185
epssPercentile: 0.07981
ingestedAt: '2026-10-21T15:02:42.102Z'
---

## Overview

A heap use-after-free in the dasher_flush_segment function (/filters/dasher.c) of GPAC Project/MP4Box before 2.5 allows 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.