CVE-2026-21686
Unknown Unknown - Not Provided
Undefined Behavior in iccDEV ICC Profile Validation Pre

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 `CIccTagLutAtoB::Validate()`. 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-2026-21686
EUVD
EUVD-2026-1392
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 is an Undefined Behavior issue in the function CIccTagLutAtoB::Validate() within the iccDEV library versions prior to 2.3.1.2. The iccDEV library is used to interact with and manipulate ICC color management profiles. The vulnerability affects users who process ICC color profiles using affected versions of the library. It has been fixed in version 2.3.1.2.

Impact Analysis

The vulnerability can impact users by causing undefined behavior when processing ICC color profiles, which may lead to denial of service or other disruptions. The CVSS score indicates a high impact on availability (A:H) with no confidentiality impact and low integrity impact, meaning it could cause application crashes or service interruptions without exposing sensitive data.

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.

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