InternationalColorConsortium iccDEV up to 2.3.1.2 CIccTagLut16::Validate heap-based overflow

Summaryinfo

A vulnerability classified as critical has been found in InternationalColorConsortium iccDEV up to 2.3.1.2. This affects the function CIccTagLut16::Validate. Performing a manipulation results in heap-based overflow. This vulnerability is known as CVE-2026-21490. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in InternationalColorConsortium iccDEV up to 2.3.1.2. It has been classified as critical. This affects the function CIccTagLut16::Validate. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, 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. A vulnerability present in versions prior to 2.3.1.2 affects users of the iccDEV library who process ICC color profiles. It results in heap buffer overflow in `CIccTagLut16::Validate()`. 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-2026-21490 since 12/29/2025. 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 the patch 7c2cb719a9de1c00844e457e070d657314383ee3 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-2026-1144). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• InternationalColorConsortium

Name

• iccDEV

Version

• 2.3.1.0
• 2.3.1.1
• 2.3.1.2

License

• open-source

Website

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

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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