ZDI-CAN-28911: ZDI-26-170: GStreamer H.266 Codec Parser Out-Of-Bounds Write Remote Code Execution Vulnerability

Published Mar 6, 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 specific flaw exists within the processing of APS units. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Other sources

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-2026-3086.

ZDI

Affected Software

1 affected component
GStreamer GStreamer

Event History

Mar 6, 2026
Advisory Published
via ZDI·12:00 AM
Data Sourced
via ZDI·12:00 AM
DescriptionSeverityAffected Software
Advisory Published
via ZDI·06:00 AM
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-28911?

ZDI-CAN-28911 is categorized as a critical vulnerability due to its potential to allow remote code execution.

2

How do I fix ZDI-CAN-28911?

To fix ZDI-CAN-28911, update GStreamer to the latest version that addresses this vulnerability.

3

What types of attacks can be executed using ZDI-CAN-28911?

ZDI-CAN-28911 can be exploited to execute arbitrary code on affected systems, leading to a full compromise.

4

Is user interaction required for ZDI-CAN-28911 exploitation?

Yes, user interaction is required to exploit ZDI-CAN-28911 as it involves interaction with the GStreamer library.

5

What versions of GStreamer are affected by ZDI-CAN-28911?

All versions of GStreamer that contain the vulnerable H.266 codec parser are affected by ZDI-CAN-28911.

Contact

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