CVE-2026-21687
Unknown Unknown - Not Provided
Undefined Behavior in iccDEV CIccTagCurve Constructor Prior to

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 `CIccTagCurve::CIccTagCurve()`. 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-2026-21687
EUVD
EUVD-2026-1393
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
unknown_vendor 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 constructor `CIccTagCurve::CIccTagCurve()` of the iccDEV library versions prior to 2.3.1.2. It affects the processing of ICC color profiles by the library, potentially causing unexpected or unsafe behavior when handling these profiles.

Impact Analysis

The vulnerability can impact users by causing undefined behavior during the processing of ICC color profiles, which may lead to denial of service or other disruptions. According to the CVSS score, it has a high impact on availability (A:H) but does not affect confidentiality or integrity.

Mitigation Strategies

Update 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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