ZDI-CAN-20279: Adobe Substance 3D Stager USD File Parsing Use-After-Free Remote Code Execution Vulnerability
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
Adobe Substance 3D Stager version 2.0.1 (and earlier) is affected by a Use After Free 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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Adobe | Substance3D - Stager | up to 2.0.1; up to None | — | No fix listed | CNA |
- Substance3D - Stager VendorAdobe Affected up to 2.0.1; up to None Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-26384
- 2026-10-03 Alias added: GHSA-85qf-cwmh-qcfp
References
More Adobe Substance 3d Stager vulnerabilities
- TI-2025-38223 Substance3D - Stager | Integer Underflow (Wrap or Wraparound) (CWE-191) CVSS 3.1HIGH 7.8
- TI-2025-38222 Substance3D - Stager | Use After Free (CWE-416) CVSS 3.1HIGH 7.8
- TI-2025-38221 Substance3D - Stager | Out-of-bounds Read (CWE-125) CVSS 3.1HIGH 7.8
- TI-2025-28266 Substance3D - Stager | Use After Free (CWE-416) CVSS 3.1HIGH 7.8
- TI-2025-28265 Substance3D - Stager | Use After Free (CWE-416) CVSS 3.1HIGH 7.8
- TI-2025-28263 Substance3D - Stager | Use After Free (CWE-416) CVSS 3.1HIGH 7.8
Sources
- CVE-2023-26384 · CVE Program
- CVE-2023-26384 · NVD
- FIRST EPSS
- GHSA-85qf-cwmh-qcfp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences