CVE-2026-21690 iccDEV has Type Confusion in CIccTagXmlTagData::ToXml()

What is CVE-2026-21690?

CVE-2026-21690 is a medium-severity memory corruption vulnerability in Color Iccdev, published on 7 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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 a Type Confusion vulnerability in `CIccTagXmlTagData::ToXml()`. 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.

Weakness: CWE-843, CWE-457, CWE-475, CWE-20

Which versions are affected by CVE-2026-21690?

It affects 1 product.

Products include Color Iccdev.

How do I fix CVE-2026-21690?

No fix has been published for CVE-2026-21690 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-21690 being exploited?

There is no known exploitation of CVE-2026-21690 in the wild and no public exploit code.

Other vulnerabilities in Color Iccdev

• CVE-2026-21675 iccDEV has a Use After Free vulnerability in CIccCmm class via improper hint manager object deletion Critical 9.8
• CVE-2026-24405 iccDEV has Heap Buffer Overflow in CIccMpeCalculator::Read() High 8.8
• CVE-2026-24406 iccDEV has Heap Buffer Overflow in CIccTagNamedColor2::SetSize() High 8.8
• CVE-2026-24412 iccDEV has Heap Buffer Overflow in icCurvesFromXml() High 8.8
• CVE-2026-22861 iccDEV has a heap-buffer-overflow in SIccCalcOp::Describe() at IccProfLib/IccMpeCalc.cpp High 8.8

All Color Iccdev vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2f26-vh48-38g6.