ZDI-CAN-29608: ZDI-26-464: GStreamer MRF File Parsing Heap-based Buffer Overflow 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 the length of user-supplied data prior to copying it to a heap-based 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-2026-18296.

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-26-464

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-29608?

The severity of ZDI-CAN-29608 is rated as 7.8 based on the CVSS scoring system.

2

How do I fix ZDI-CAN-29608?

To fix ZDI-CAN-29608, update GStreamer to the latest version as soon as it is available.

3

What type of vulnerability is ZDI-CAN-29608?

ZDI-CAN-29608 is a heap-based buffer overflow vulnerability that can lead to remote code execution.

4

What is required for an attacker to exploit ZDI-CAN-29608?

User interaction is required to exploit ZDI-CAN-29608, as the victim must visit a malicious page or open a malicious file.

5

Which software is affected by ZDI-CAN-29608?

The vulnerability affects installations of GStreamer.

Contact

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