---
id: CVE-2026-79522
title: >-
  An out-of-bounds read in the gf_dm_get_chunk_data function
  (src/utils/downloader.c) of GPAC v26.07.0 allows attackers to cause a Denial
  of Service (DoS) via sending a crafted HTTP request
summary: >-
  An out-of-bounds read in the gf_dm_get_chunk_data function
  (src/utils/downloader.c) of GPAC v26.07.0 allows attackers to cause a Denial
  of Service (DoS) via sending a crafted HTTP request. Fixed in
  2fd5a06ab226767900fd86edb5a1e8bfc1010640.
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-125
vendor: gpac
product: gpac
affected:
  - gpac = 26.07.0
published: '2026-09-09'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T17:01:40.510'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-79522'
references:
  - url: >-
      https://github.com/gpac/gpac/commit/2fd5a06ab226767900fd86edb5a1e8bfc1010640
    label: cve@mitre.org
  - url: 'https://github.com/gpac/gpac/issues/3861'
    label: cve@mitre.org
  - url: 'https://github.com/gpac/gpac/issues/3861'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00292
epssPercentile: 0.22035
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T18:56:10.683980Z'
ingestedAt: '2026-09-11T16:45:48.026Z'
---

## Overview

An out-of-bounds read in the gf_dm_get_chunk_data function (src/utils/downloader.c) of GPAC v26.07.0 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request. Fixed in 2fd5a06ab226767900fd86edb5a1e8bfc1010640.

## Affected

- `gpac = 26.07.0`

## Remediation

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