ZDI-CAN-29510: ZDI-26-463: GStreamer MRF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published Jul 29, 2026
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of MRF files. 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. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18295.

ZDI

Affected Software

2 affected components
GStreamer GStreamer
GStreamer GStreamer

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch ZDI-26-463

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-CAN-29510?

ZDI-CAN-29510 has a CVSS rating of 7.8, indicating it is a high severity vulnerability.

2

What is ZDI-CAN-29510?

ZDI-CAN-29510 is a remote code execution vulnerability in GStreamer due to out-of-bounds write during MRF file parsing.

3

How do I fix ZDI-CAN-29510?

To fix ZDI-CAN-29510, update GStreamer to the latest version provided by the vendor.

4

What are the requirements for exploiting ZDI-CAN-29510?

Exploitation of ZDI-CAN-29510 requires user interaction, as the target must visit a malicious page or open a malicious MRF file.

5

Which software is affected by ZDI-CAN-29510?

The vulnerability ZDI-CAN-29510 affects installations of GStreamer.

Contact

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