CVE-2026-34550
Received Received - Intake
Undefined Behavior in iccDEV IccProfLib Causes Potential Memory Issues

Publication date: 2026-03-31

Last updated on: 2026-04-20

Assigner: GitHub, Inc.

Description
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior (UB) condition in IccProfLib/IccIO.cpp caused by an implicit conversion from a negative signed integer to size_t (unsigned), which changes the value. This issue has been patched in version 2.3.1.6.
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Meta Information
Published
2026-03-31
Last Modified
2026-04-20
Generated
2026-06-16
AI Q&A
2026-04-01
EPSS Evaluated
2026-06-15
NVD
CVE-2026-34550
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
color iccdev to 2.3.1.6 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-681 When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.
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Executive Summary

This vulnerability exists in iccDEV, a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior condition caused by an implicit conversion from a negative signed integer to an unsigned size_t type. This conversion changes the value unexpectedly, which can lead to unpredictable behavior in the software.

Impact Analysis

The vulnerability can cause undefined behavior in the affected software, which may lead to crashes or other disruptions. According to the CVSS score, the impact is primarily on availability (score 6.2 with an impact on availability high), meaning it could cause denial of service or make the software unavailable.

Mitigation Strategies

To mitigate this vulnerability, update iccDEV to version 2.3.1.6 or later, where the issue has been patched.

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