ZDI-CAN-29581: ZDI-26-466: GStreamer PNG 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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18298.

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-29581?

ZDI-CAN-29581 has a CVSS rating of 7.8, indicating a high severity level.

How do I fix ZDI-CAN-29581?

To mitigate ZDI-CAN-29581, ensure you update GStreamer to the latest version as provided by the official sources.

Who is affected by ZDI-CAN-29581?

Users of GStreamer software who open malicious files or visit malicious pages are vulnerable to ZDI-CAN-29581.

What type of vulnerability is ZDI-CAN-29581?

ZDI-CAN-29581 is a heap-based buffer overflow vulnerability that can lead to remote code execution.

What action must users take to exploit ZDI-CAN-29581?

Exploitation of ZDI-CAN-29581 requires user interaction, specifically visiting a malicious page or opening a harmful file.