InternationalColorConsortium iccDEV up to 2.3.1.1 ICC Color Profile IsTypeCompressed type confusion

Summaryinfo

A vulnerability classified as problematic has been found in InternationalColorConsortium iccDEV up to 2.3.1.1. The impacted element is the function IsTypeCompressed of the component ICC Color Profile Handler. Performing a manipulation results in type confusion. This vulnerability is reported as CVE-2026-21691. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in InternationalColorConsortium iccDEV up to 2.3.1.1. It has been classified as problematic. This affects the function IsTypeCompressed of the component ICC Color Profile Handler. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-21691 since 01/02/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 2.3.1.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-1387). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• InternationalColorConsortium

Name

• iccDEV

Version

• 2.3.1.0
• 2.3.1.1

Website

• Product: https://github.com/InternationalColorConsortium/iccDEV/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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