CVE-2026-21493 iccDEV has Type Confusion during XML Curve Serialization

Medium 6.6 Published Updated

A type confusion vulnerability in iccDEV allows attackers to cause memory corruption, potentially leading to code execution or denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-21493?

CVE-2026-21493 is a medium-severity memory corruption vulnerability in Color Iccdev, published on 6 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are vulnerable to Type Confusion in its CIccSingleSampledeCurveXml class during XML Curve Serialization. This issue is fixed in version 2.3.1.2.

Weakness: CWE-843, CWE-703, CWE-188

Which versions are affected by CVE-2026-21493?

It affects 1 product.

Products include Color Iccdev.

How do I fix CVE-2026-21493?

No fix has been published for CVE-2026-21493 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-2026-21493 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21493 exists.

All Color Iccdev vulnerabilities

Sources

Also known as GHSA-p85g-f9q7-jmjx.

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