CVE-2026-90686: GPAC MP4Box loader_bt.c gf_bt_report memory corruption

Published Sep 14, 2026
·
Updated

A vulnerability was found in GPAC up to f1219cde. This affects the function gfbtreport of the file scenemanager/loaderbt.c of the component MP4Box. The manipulation results in memory corruption. The attack may be performed from remote. The exploit has been made public and could be used. Upgrading to version abi-16.23 is able to mitigate this issue. The patch is identified as afca1f1181668d85941d51ed1adf647807d5d975. It is suggested to upgrade the affected component.

Affected Software

1 affected component
Gpac MP4Box<=f1219cde

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade GPAC/MP4Box to a version that resolves this vulnerability.

    Fixed in abi-16.23Patch afca1f1181668d85941d51ed1adf647807d5d975

Event History

Sep 14, 2026
CVE Published
via MITRE·05:30 AM
Data Sourced
via MITRE·05:30 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which deployments are affected?

GPAC MP4Box deployments using versions up to commit f1219cde are affected. The issue is in the scene_manager/loader_bt.c component, specifically the gf_bt_report function.

2

Can this be exploited remotely without credentials or user interaction?

Yes. The supplied severity vector indicates network attack vector, low attack complexity, no privileges required, and no user interaction required; the description also states that remote exploitation is possible.

3

Is public exploit code available?

Yes. The exploit has been made public and could be used.

4

What is the recommended remediation?

Upgrade the affected GPAC MP4Box component to version abi-16.23. The identified patch is afca1f1181668d85941d51ed1adf647807d5d975.

Contact

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