Description

GStreamer ASF Demuxer Heap-based Buffer Overflow Remote Code Execution Vulnerability. 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 specific flaw exists within the processing of stream headers within ASF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28843.

INFO

Published Date :

2026-03-13T20:38:27.802Z

Last Modified :

2026-03-18T03:55:37.859Z

Source :

zdi
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2920 vulnerability.

Vendors Products
Gstreamer
  • Gstreamer

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
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User Interaction
Scope
Confidentiality Impact
Integrity Impact
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact