What is the severity of CVE-2025-21139?

CVE-2025-21139 is classified as a medium severity vulnerability due to its potential for arbitrary code execution.

How do I fix CVE-2025-21139?

To fix CVE-2025-21139, users should upgrade to Substance 3D Designer version 14.1 or later.

What are the potential consequences of exploiting CVE-2025-21139?

Exploitation of CVE-2025-21139 can lead to arbitrary code execution with the privileges of the current user.

Does CVE-2025-21139 require user interaction to exploit?

Yes, CVE-2025-21139 requires user interaction, specifically opening a malicious file.

Vulnerability/
CVE-2025-21139

high

7.8

CWE

122 119 787

EPSS

0.103%

14/1/2025

12/2/2025

CVE-2025-21139: Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)

Q: What versions of Substance 3D Designer are affected by CVE-2025-21139?

Substance 3D Designer versions 14.0 and earlier are affected by CVE-2025-21139.

First published: Tue Jan 14 2025(Updated: )

Substance3D - Designer versions 14.0 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
Adobe Substance 3D Designer	<14.0
Adobe InDesign	<14.1

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Reference Links

https://helpx.adobe.com/security/products/substance3d_designer/apsb25-06.html

Frequently Asked Questions

What is the severity of CVE-2025-21139?
CVE-2025-21139 is classified as a medium severity vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2025-21139?
To fix CVE-2025-21139, users should upgrade to Substance 3D Designer version 14.1 or later.
What are the potential consequences of exploiting CVE-2025-21139?
Exploitation of CVE-2025-21139 can lead to arbitrary code execution with the privileges of the current user.
What versions of Substance 3D Designer are affected by CVE-2025-21139?
Substance 3D Designer versions 14.0 and earlier are affected by CVE-2025-21139.
Does CVE-2025-21139 require user interaction to exploit?
Yes, CVE-2025-21139 requires user interaction, specifically opening a malicious file.

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