CVE-2026-21691
Unknown Unknown - Not Provided
Type Confusion in iccDEV ICC Profile Processing Library

Publication date: 2026-01-07

Last updated on: 2026-01-07

Assigner: GitHub, Inc.

Description
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 Type Confusion vulnerability in `CIccTag:IsTypeCompressed()`. 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.
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Meta Information
Published
2026-01-07
Last Modified
2026-01-07
Generated
2026-06-16
AI Q&A
2026-01-08
EPSS Evaluated
2026-06-14
NVD
CVE-2026-21691
EUVD
EUVD-2026-1387
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
iccdev iccdev to 2.3.1.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-697 The product compares two entities in a security-relevant context, but the comparison is incorrect.
CWE-140 The product does not neutralize or incorrectly neutralizes delimiters.
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CWE-1025 The code performs a comparison between two entities, but the comparison examines the wrong factors or characteristics of the entities, which can lead to incorrect results and resultant weaknesses.
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Executive Summary

This vulnerability is a Type Confusion issue in the iccDEV library, specifically in the function CIccTag:IsTypeCompressed(). It affects versions prior to 2.3.1.2 and involves incorrect handling of ICC color profiles, which can lead to unexpected behavior or errors when processing these profiles.

Impact Analysis

The vulnerability can impact users by causing integrity and availability issues when processing ICC color profiles. An attacker could exploit this to cause a denial of service or manipulate the processing of color profiles, potentially leading to application crashes or incorrect color management results.

Mitigation Strategies

Upgrade the iccDEV library to version 2.3.1.2 or later, as this version contains the patch for the Type Confusion vulnerability in CIccTag:IsTypeCompressed(). No known workarounds are available.

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