What is the severity of CVE-2025-21129?

CVE-2025-21129 has a high severity rating due to its potential for allowing arbitrary code execution.

How do I fix CVE-2025-21129?

To fix CVE-2025-21129, upgrade Adobe Substance 3D Stager to version 3.1.0 or later.

What does CVE-2025-21129 exploit?

CVE-2025-21129 exploits a heap-based buffer overflow vulnerability that requires user interaction.

Which versions of Substance 3D Stager are affected by CVE-2025-21129?

CVE-2025-21129 affects Substance 3D Stager versions 3.0.4 and earlier.

What operating systems are impacted by CVE-2025-21129?

CVE-2025-21129 affects Adobe Substance 3D Stager running on Windows and macOS operating systems.

Vulnerability/
CVE-2025-21129

high

7.8

CWE

122 119 787

EPSS

0.103%

14/1/2025

12/2/2025

CVE-2025-21129: Substance3D - Stager | Heap-based Buffer Overflow (CWE-122)

First published: Tue Jan 14 2025(Updated: 2 months ago)

Substance3D - Stager versions 3.0.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Credit: psirt@adobe.com

Affected Software	Affected Version	How to fix
All of
Adobe Substance 3D Stager	<3.1.0
Any of
macOS
Microsoft Windows Operating System

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Reference Links

https://helpx.adobe.com/security/products/substance3d_stager/apsb25-03.html

Frequently Asked Questions

What is the severity of CVE-2025-21129?
CVE-2025-21129 has a high severity rating due to its potential for allowing arbitrary code execution.
How do I fix CVE-2025-21129?
To fix CVE-2025-21129, upgrade Adobe Substance 3D Stager to version 3.1.0 or later.
What does CVE-2025-21129 exploit?
CVE-2025-21129 exploits a heap-based buffer overflow vulnerability that requires user interaction.
Which versions of Substance 3D Stager are affected by CVE-2025-21129?
CVE-2025-21129 affects Substance 3D Stager versions 3.0.4 and earlier.
What operating systems are impacted by CVE-2025-21129?
CVE-2025-21129 affects Adobe Substance 3D Stager running on Windows and macOS operating systems.

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