---
title: "CVE-2026-8124\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2026-8124?format=md
keywords: index, follow
---

# CVE-2026-8124

Publication date 8 May 2026

Last updated 17 August 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**3.3 · Low**

[Score breakdown](https://ubuntu.com/security/CVE-2026-8124?format=md#impact-score)

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## Description

A security vulnerability has been detected in GPAC up to 26.02.0. This
affects the function sidx\_box\_read of the file
src/isomedia/box\_code\_base.c. The manipulation leads to allocation of
resources. The attack must be carried out locally. The exploit has been
disclosed publicly and may be used. The identifier of the patch is
442e2299530138d8f874fd885c565ba98a6318ba. It is suggested to install a
patch to address this issue.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gpac | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |
| 14.04 LTS trusty | Needs evaluation |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:

CVSS v4.0

[CVSS v4.0](https://ubuntu.com/security/CVE-2026-8124?format=md)
[CVSS v3.0](https://ubuntu.com/security/CVE-2026-8124?format=md)

**Base score**

1.9 · Low

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Attack requirements | None |
  | Privileges required | Low |
  | User interaction | None |
  | Vulnerable system - Confidentiality impact | None |
  | Vulnerable system - Integrity impact | None |
  | Vulnerable system - Availability impact | Low |
  | Subsequent system - Confidentiality impact | None |
  | Subsequent system - Integrity impact | None |
  | Subsequent system - Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 1.9 · Low |
  | Base + Threat score | - |
  | Base + Environmental score | - |
  | Base + Threat + Environmental score | - |

**Vector:** CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-8124)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-8124)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2026-8124)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2026-8124)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2026-8124>
* <https://github.com/gpac/gpac/>
* <https://github.com/gpac/gpac/commit/442e2299530138d8f874fd885c565ba98a6318ba>
* <https://github.com/gpac/gpac/issues/3519>
* <https://vuldb.com/submit/808611>
* <https://vuldb.com/vuln/361914>
* <https://vuldb.com/vuln/361914/cti>