CVE-2026-21681 iccDEV has Undefined Behavior runtime error: nan is outside the range .. IccProfLib/IccTagBasic.cpp

High 7.1 Published Updated

Processing malformed ICC profiles in iccDEV causes undefined behavior, potentially leading to application crashes or instability.

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-2026-21681?

CVE-2026-21681 is a high-severity 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 Undefined Behavior runtime error. 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-20

Which versions are affected by CVE-2026-21681?

It affects 1 product.

Products include Color Iccdev.

How do I fix CVE-2026-21681?

No fix has been published for CVE-2026-21681 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21681 being exploited?

There is no known exploitation of CVE-2026-21681 in the wild and no public exploit code.

All Color Iccdev vulnerabilities

Sources

Also known as GHSA-v4qq-v3c3-x62x.

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