CVE-2026-21685
Unknown Unknown - Not Provided
Undefined Behavior in iccDEV ICC Profile Parsing Before

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 Undefined Behavior in `CIccTagLut16::Read()`. 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
2026-06-15
NVD
CVE-2026-21685
EUVD
EUVD-2026-1391
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-758 The product uses an API function, data structure, or other entity in a way that relies on properties that are not always guaranteed to hold for that entity.
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.
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Executive Summary

This vulnerability exists in the iccDEV library versions prior to 2.3.1.2, specifically in the function CIccTagLut16::Read(). It causes Undefined Behavior when processing ICC color profiles, which means the library may behave unpredictably or incorrectly when handling these profiles.

Impact Analysis

The vulnerability can impact users by causing unpredictable or incorrect behavior when processing ICC color profiles using the iccDEV library. According to the CVSS score, it has a high impact on availability (A:H), meaning it could cause denial of service or crashes, but it does not affect confidentiality and only has a low impact on integrity.

Mitigation Strategies

Upgrade the iccDEV library to version 2.3.1.2 or later, as this version contains the patch for the vulnerability. No known workarounds are available, so applying the update is the recommended mitigation step.

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