ZDI-26-466: GStreamer PNG File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
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 PNG 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-2026-18298.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-466?
The severity of ZDI-26-466 is rated at 7.8, indicating a high risk level.
How do I fix ZDI-26-466?
To mitigate ZDI-26-466, ensure that you update GStreamer to the latest patched version.
What type of vulnerability is ZDI-26-466?
ZDI-26-466 is a heap-based buffer overflow vulnerability that can lead to remote code execution.
What is required for an attacker to exploit ZDI-26-466?
Exploitation of ZDI-26-466 requires user interaction, such as visiting a malicious page or opening a malicious file.
What software is affected by ZDI-26-466?
The ZDI-26-466 vulnerability affects installations of GStreamer.