CVE-2026-79522

An out-of-bounds read in the gf_dm_get_chunk_data function (src/utils/downloader.c) of GPAC v26...

6.5 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.54%Up 0.3 points since Sep 10, 2026

What each source reports

CVE List Score used 6.5

Record: CVE-2026-79522
CVSS 3.1: 6.5 MediumCVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:R
Weakness: CWE-125
Updated: 2026-11-02

EUVDEUVD-2026-75165 6.5

Record: EUVD-2026-75165
CVSS 3.1: 6.5 MediumCVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:R
Updated: 2026-11-02

GitHub AdvisoriesGHSA-mgxg-c8rg-pvvr 6.5

An out-of-bounds read in the gf_dm_get_chunk_data function (src/utils/downloader.c) of GPAC v26...

Record: GHSA-mgxg-c8rg-pvvr
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

NVD 6.5

Record: CVE-2026-79522
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSV 6.5

Record: CVE-2026-79522
CVSS 3.1: 6.5 MediumCVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:R
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-79522 6.5

Record: UBUNTU-CVE-2026-79522
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

gpac

Affected packages

Affected packages
Package	Affected	Fixed
`gpac` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 0.5.0+svn4288~dfsg1-1ubuntu10.5.0+svn4288~dfsg1-40.5.0+svn4288~dfsg1-4ubuntu10.5.0+svn4288~dfsg1-4ubuntu1+esm10.5.0+svn4288~dfsg1-4ubuntu1+esm2	None known
`gpac` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 0.5.2-426-gc5ad4e4+dfsg5-1build10.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.10.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2	None known
`gpac` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 0.5.2-426-gc5ad4e4+dfsg5-30.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.10.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1	None known
`gpac` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 0.5.2-426-gc5ad4e4+dfsg5-4ubuntu10.5.2-426-gc5ad4e4+dfsg5-50.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2	None known
`gpac` Ubuntu:Pro:22.04:LTS	All versions, plus listed versions 1.0.1+dfsg1-41.0.1+dfsg1-52.0.0+dfsg1-22.0.0+dfsg1-2ubuntu0.1~esm2	None known
`gpac` Ubuntu:Pro:24.04:LTS	All versions, plus listed versions 2.2.1+dfsg1-32.2.1+dfsg1-3.12.2.1+dfsg1-3.1build12.2.1+dfsg1-3.1build22.2.1+dfsg1-3.1ubuntu0.1~esm2	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-79522 is a medium vulnerability (CVSS 6.5) in Gpac, published September 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.