Product:
Substance3D – Stager
Summary
Substance3D – Stager versions 3.1.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file. This could result in a read past the end of an allocated memory structure, allowing an attacker to execute code in the context of the current user. Exploitation requires user interaction, as a victim must open a malicious file.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-21344 |
Exploitation
To exploit this vulnerability, an attacker must craft a malicious file that, when opened by the victim using Substance3D – Stager, triggers the out-of-bounds read. This requires the victim to be tricked into opening the file, which can lead to arbitrary code execution in the context of the user running the application.
Affected Products
- Substance3D – Stager versions 3.1.6 and earlier: Vulnerable to out-of-bounds read when parsing crafted files.
Mitigation
To mitigate this vulnerability, users should update to the latest version of Substance3D – Stager that addresses this issue. Additionally, users should avoid opening files from untrusted sources to reduce the risk of exploitation.