ZDI-CAN-29392: ZDI-26-283: GStreamer qtdemux Stack-based Buffer Overflow Remote Code Execution Vulnerability

Published Apr 15, 2026

Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-5056.

Affected Software

1 affected component

GStreamer GStreamer qtdemux

Event History

Apr 15, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-29392?

The severity of ZDI-CAN-29392 is critical due to its potential for remote code execution.

How do I fix ZDI-CAN-29392?

To fix ZDI-CAN-29392, update GStreamer to the latest version that addresses this buffer overflow vulnerability.

Who is affected by ZDI-CAN-29392?

Users of GStreamer with the qtdemux component are affected by ZDI-CAN-29392.

What type of vulnerability is ZDI-CAN-29392?

ZDI-CAN-29392 is a stack-based buffer overflow vulnerability.

What can attackers do with ZDI-CAN-29392?

Attackers can exploit ZDI-CAN-29392 to execute arbitrary code on affected systems.

Company

Resources

Contact

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