ZDI-CAN-29787: 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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18299.

Affected Software

1 affected component

GStreamer GStreamer

Event History

Jul 29, 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-29787?

ZDI-CAN-29787 has a CVSS rating of 7.8, indicating a high severity risk.

How can I fix ZDI-CAN-29787?

To fix ZDI-CAN-29787, you should update GStreamer to the latest version that addresses this vulnerability.

What types of systems are affected by ZDI-CAN-29787?

ZDI-CAN-29787 affects installations of GStreamer that utilize the rtpsbcdepay component.

What could be the impact of exploiting ZDI-CAN-29787?

Exploiting ZDI-CAN-29787 could allow remote attackers to execute arbitrary code on vulnerable GStreamer installations.

What needs to happen for ZDI-CAN-29787 to be exploited?

Interaction with the GStreamer library is required for ZDI-CAN-29787 to be exploited.