ZDI-26-467: GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability

Published Jul 29, 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 RTP payload elements. The issue results from the lack of validating the existence of an object prior to performing operations on the object. 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-2026-18299.

ZDI

Affected Software

2 affected components
Gstreamer
GStreamer GStreamer

Event History

Jul 29, 2026
Advisory Published
via ZDI·12:00 AM
Data Sourced
via ZDI·12:00 AM
DescriptionSeverityAffected Software
Advisory Published
via ZDI·05:00 AM

Frequently Asked Questions

1

What is the severity of ZDI-26-467?

The severity of ZDI-26-467 is rated as 7.8 according to the CVSS scoring system.

2

How do I fix ZDI-26-467?

To fix ZDI-26-467, update GStreamer to the latest version where the vulnerability has been addressed.

3

What type of vulnerability is ZDI-26-467?

ZDI-26-467 is a use-after-free vulnerability that allows remote code execution.

4

Which software is affected by ZDI-26-467?

ZDI-26-467 affects the GStreamer software library.

5

Can ZDI-26-467 be exploited remotely?

Yes, ZDI-26-467 can be exploited remotely if the GStreamer library is used in affected implementations.

Contact

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