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CVE-2023-21618: ZDI-CAN-20963: Adobe Substance 3D Designer SBS File Parsing Uninitialized Variable Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-15 · updated 2026-06-17
• Weakness: CWE-824

Description

Adobe Substance 3D Designer version 12.4.1 (and earlier) is affected by an Access of Uninitialized Pointer 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.

Affected products

• Adobe Substance 3D Designer: through 12.4.1

References

• https://helpx.adobe.com/security/products/substance3d_designer/apsb23-39.html
• https://helpx.adobe.com/security/products/substance3d_designer/apsb23-39.html

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