Adobe Substance3D up to 15.1.0 File null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Adobe Substance3D up to 15.1.0. It has been classified as problematic. Affected by this issue is some unknown functionality of the component File Handler. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2026-21338. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Adobe Substance3D up to 15.1.0. This affects an unknown code block of the component File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

Substance3D - Designer versions 15.1.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The advisory is shared at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2026-21338 since 12/12/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 298814 (Adobe Substance 3D Designer <= 15.1.0 Multiple Vulnerabilities (APSB26-19)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (298814). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (adobe): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 298814
Nessus Name: Adobe Substance 3D Designer <= 15.1.0 Multiple Vulnerabilities (APSB26-19)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/12/2025 CVE reserved
02/10/2026 +60 days Advisory disclosed
02/10/2026 +0 days VulDB entry created
02/16/2026 +6 days VulDB entry last update

Sourcesinfo

Vendor: adobe.com

Advisory: apsb26-19
Status: Confirmed

CVE: CVE-2026-21338 (🔒)
GCVE (CVE): GCVE-0-2026-21338
GCVE (VulDB): GCVE-100-345357

Entryinfo

Created: 02/10/2026 20:06
Updated: 02/16/2026 02:00
Changes: 02/10/2026 20:06 (64), 02/16/2026 02:00 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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