Skip to main content

CVE-2026-103823: Stack-based Buffer Overflow (CWE-121) in Adobe Substance 3D Designer

0
Medium
VulnerabilityCVE-2026-103823cvecve-2026-103823cwe-121
Published: 10/13/2026 (10/13/2026, 20:34:36 UTC)
Source: CVE Database V5
Vendor/Project: Adobe
Product: Substance 3D Designer

Description

Adobe Substance 3D Designer contains a stack-based buffer overflow vulnerability that can cause the application to crash, resulting in a denial-of-service condition. Exploitation requires user interaction, specifically opening a malicious file. No confidentiality or integrity impacts are reported. The vulnerability has a medium severity rating with a CVSS score of 5.5.

CVSS v3.1

Score 5.5medium

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected software

Adobe

Substance 3D Designer

Affected versions
=0
GitHub Actionsmore threats →ai
adobe/substance-3d-designer
pkg:github/adobe/substance-3d-designer
Affected versions
=0

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/13/2026, 22:33:55 UTC

Technical Analysis

CVE-2026-103823 is a stack-based buffer overflow vulnerability (CWE-121) in Adobe Substance 3D Designer. This flaw allows an attacker to cause an application denial-of-service by crashing the program when a specially crafted malicious file is opened by the user. The vulnerability requires user interaction and does not impact confidentiality or integrity, only availability.

Potential Impact

Successful exploitation results in denial-of-service by crashing Adobe Substance 3D Designer. There is no impact on confidentiality or integrity. The attack vector is local with low complexity and no privileges required, but user interaction is necessary.

Mitigation Recommendations

No patch or official fix information is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, users should avoid opening untrusted or suspicious files to mitigate risk.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
adobe
Date Reserved
2026-10-01T11:23:23.936Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6ace998f2cdf04f656ad05b5

Added to database: 10/13/2026, 20:50:23 UTC

Last enriched: 10/13/2026, 22:33:55 UTC

Last updated: 10/14/2026, 00:48:22 UTC

Views: 6

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses