---
id: CVE-2025-55642
title: >-
  GPAC MP4Box v2.4 was discovered to contain a floating point exception in the
  avidmx_process function (isomedia/isom_write.c).
summary: >-
  GPAC MP4Box v2.4 was discovered to contain a floating point exception in the
  avidmx_process function (isomedia/isom_write.c).
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-369
vendor: gpac
product: gpac
affected:
  - gpac < 26.02.0
patched:
  - gpac 26.02.0
published: '2026-06-15'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T18:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-55642'
references:
  - url: 'https://infosec.exchange/@sigdevel/116736787186993437'
    label: cve@mitre.org
  - url: 'http://www.openwall.com/lists/oss-security/2026/06/13/8'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.005
epssPercentile: 0.4073
ingestedAt: '2026-10-05T18:29:11.169Z'
---

## Overview

GPAC MP4Box v2.4 was discovered to contain a floating point exception in the avidmx_process function (isomedia/isom_write.c).

## Affected

- `gpac < 26.02.0`

## Remediation

Upgrade past the affected range:

- `gpac 26.02.0`