---
id: CVE-2026-90578
title: A flaw has been found in GPAC up to f1219cde
summary: >-
  A flaw has been found in GPAC up to f1219cde. Affected by this issue is the
  function gf_list_count of the file utils/list.c of the component MP4Box.
  Executing a manipulation can lead to use after free. The attack is restricted
  to local e…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-119
  - CWE-416
product: GPAC
affected:
  - GPAC f1219cde
published: '2026-09-13'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T19:17:45.770'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90578'
references:
  - url: 'https://github.com/gpac/gpac/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
    label: cna@vuldb.com
  - url: 'https://github.com/gpac/gpac/issues/3817'
    label: cna@vuldb.com
  - url: 'https://github.com/gpac/gpac/releases/tag/abi-16.23'
    label: cna@vuldb.com
  - url: >-
      https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-MP4Box-SEGV-in-gf_list_count-(Use-After-Free).md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90578'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/913217'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403163'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403163/cti'
    label: cna@vuldb.com
  - url: 'https://github.com/gpac/gpac/issues/3817'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00168
epssPercentile: 0.0538
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T18:03:39.911985Z'
ingestedAt: '2026-09-14T15:23:07.469Z'
---

## Overview

A flaw has been found in GPAC up to f1219cde. Affected by this issue is the function gf_list_count of the file utils/list.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version abi-16.23 can resolve this issue. This patch is called 49dee5cad329cfed310c1682703df7daa47df31a. It is suggested to upgrade the affected component.

## Remediation

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