CVE-2026-21688 iccDEV has Type Confusion in SIccCalcOp::ArgsPushed() at IccProfLib/IccMpeCalc.cpp

High 8.8 Published Updated

Attackers can trigger type confusion in iccDEV library when processing ICC profiles, potentially leading to code execution or crashes.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-21688?

CVE-2026-21688 is a high-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 `SIccCalcOp::ArgsPushed()` at `IccProfLib/IccMpeCalc.cpp`. 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-681, CWE-476, CWE-20, CWE-190

Which versions are affected by CVE-2026-21688?

It affects 1 product.

Products include Color Iccdev.

How do I fix CVE-2026-21688?

No fix has been published for CVE-2026-21688 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-2026-21688 being exploited?

There is no known exploitation of CVE-2026-21688 in the wild and no public exploit code.

All Color Iccdev vulnerabilities

Sources

Also known as GHSA-3r2x-j7v3-pg6f.

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