ZDI-CAN-20361: Adobe Substance 3D Painter USD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

published 2023-05-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32858

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

Adobe Substance 3D Painter versions 8.3.0 (and earlier) is 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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 20 mo ago (2025-03-05)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Adobe Substance3D - Painter

Classification

Weakness

CWE-122 Heap-based Buffer Overflow
CWE-787 Out-of-bounds Write

References

helpx.adobe.com /security/products/substance3d_painter/apsb23-29.html
vendor-advisory

Sources

CVE List CVE-2023-29283
NVD CVE-2023-29283

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary