Common Weakness Enumeration

CWE-476

Allowed

NULL Pointer Dereference

Abstraction: Base · Status: Stable

API response cwe.mitre.org

The product dereferences a pointer that it expects to be valid but is NULL.

6310 vulnerabilities reference this CWE, most recent first.

CVE-2026-21503 (GCVE-0-2026-21503)

Vulnerability from cvelistv5 – Published: 2026-01-07 17:10 – Updated: 2026-01-07 21:53
VLAI
Title
iccDEV has Undefined Behavior - Null Pointer Passed to memcpy() in CIccTagSparseMatrixArray
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV has undefined behavior due to a null pointer passed to memcpy() in CIccTagSparseMatrixArray. This issue has been patched in version 2.3.1.2.
Severity
6.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-131 - Incorrect Calculation of Buffer Size
  • CWE-476 - NULL Pointer Dereference
  • CWE-628 - Function Call with Incorrectly Specified Arguments
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-21502 (GCVE-0-2026-21502)

Vulnerability from cvelistv5 – Published: 2026-01-07 17:09 – Updated: 2026-01-07 18:21
VLAI
Title
NULL Pointer Dereference in iccDEV XML Tag Parser
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the XML tag parser. This issue has been patched in version 2.3.1.2.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-252 - Unchecked Return Value
  • CWE-476 - NULL Pointer Dereference
  • CWE-690 - Unchecked Return Value to NULL Pointer Dereference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-21499 (GCVE-0-2026-21499)

Vulnerability from cvelistv5 – Published: 2026-01-07 17:09 – Updated: 2026-01-07 18:21
VLAI
Title
NULL Pointer Dereference in iccDEV XML Parser
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the XML parser. This issue has been patched in version 2.3.1.2.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-476 - NULL Pointer Dereference
  • CWE-690 - Unchecked Return Value to NULL Pointer Dereference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-21498 (GCVE-0-2026-21498)

Vulnerability from cvelistv5 – Published: 2026-01-07 17:09 – Updated: 2026-01-07 18:20
VLAI
Title
NULL Pointer Dereference in iccDEV XML Calculator Parser
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the XML calculator parser. This issue has been patched in version 2.3.1.2.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-252 - Unchecked Return Value
  • CWE-476 - NULL Pointer Dereference
  • CWE-690 - Unchecked Return Value to NULL Pointer Dereference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-21497 (GCVE-0-2026-21497)

Vulnerability from cvelistv5 – Published: 2026-01-07 17:08 – Updated: 2026-01-07 18:19
VLAI
Title
NULL Pointer Dereference in iccDEV Unknown Tag Parser
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via an unknown tag parser. This issue has been patched in version 2.3.1.2.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-252 - Unchecked Return Value
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-21496 (GCVE-0-2026-21496)

Vulnerability from cvelistv5 – Published: 2026-01-07 17:09 – Updated: 2026-01-07 18:19
VLAI
Title
NULL Pointer Dereference in iccDEV Signature Parser
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the signature parser. This issue has been patched in version 2.3.1.2.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-252 - Unchecked Return Value
  • CWE-476 - NULL Pointer Dereference
  • CWE-690 - Unchecked Return Value to NULL Pointer Dereference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-21492 (GCVE-0-2026-21492)

Vulnerability from cvelistv5 – Published: 2026-01-06 20:23 – Updated: 2026-01-07 18:32
VLAI
Title
iccDEV ToneMap Writer has NULL Pointer Member Call
Summary
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a NULL pointer member call vulnerability. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-21485 (GCVE-0-2026-21485)

Vulnerability from cvelistv5 – Published: 2026-01-06 03:17 – Updated: 2026-01-06 18:56
VLAI
Title
iccDEV Undefined Behavior (UB) and Out of Memory in CIccProfile::LoadTag()
Summary
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are prone to have Undefined Behavior (UB) and Out of Memory errors. This issue is fixed in version 2.3.1.2.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-125 - Out-of-bounds Read
  • CWE-190 - Integer Overflow or Wraparound
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-476 - NULL Pointer Dereference
  • CWE-787 - Out-of-bounds Write
  • CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-21364 (GCVE-0-2026-21364)

Vulnerability from cvelistv5 – Published: 2026-03-10 18:47 – Updated: 2026-03-10 19:12
VLAI
Title
Substance3D - Painter | NULL Pointer Dereference (CWE-476)
Summary
Substance3D - Painter versions 11.1.2 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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
Impacted products
Vendor Product Version
Adobe Substance3D - Painter Affected: 0 , ≤ 11.1.2 (semver)
Create a notification for this product.
Date Public
2026-03-10 17:00
Show details on NVD website
To clipboard 

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CVE-2026-21363 (GCVE-0-2026-21363)

Vulnerability from cvelistv5 – Published: 2026-03-10 18:47 – Updated: 2026-03-10 19:12
VLAI
Title
Substance3D - Painter | NULL Pointer Dereference (CWE-476)
Summary
Substance3D - Painter versions 11.1.2 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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
Impacted products
Vendor Product Version
Adobe Substance3D - Painter Affected: 0 , ≤ 11.1.2 (semver)
Create a notification for this product.
Date Public
2026-03-10 17:00
Show details on NVD website
To clipboard 

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Mitigation MIT-56
Implementation

For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].

Mitigation
Requirements

Select a programming language that is not susceptible to these issues.

Mitigation
Implementation

Check the results of all functions that return a value and verify that the value is non-null before acting upon it.

Mitigation
Architecture and Design

Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.

Mitigation
Implementation

Explicitly initialize all variables and other data stores, either during declaration or just before the first usage.

No CAPEC attack patterns related to this CWE.

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