Substance3D - Viewer versions 0.25.2 and earlier are affected by an out-of-bounds write vulnerability that could lead to application denial-of-service. An attacker could leverage this vulnerability to crash the application or make it unavailable. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
https://helpx.adobe.com/security/products/substance3d-viewer/apsb25-99.html