CVE-2026-21682 iccDEV has heap-buffer-overflow in CIccXmlArrayType::ParseText()

High 8.8 Published Updated

A heap-buffer-overflow in iccDEV allows attackers to execute arbitrary code or cause denial of service by processing malicious ICC color profiles.

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-2026-21682?

CVE-2026-21682 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 heap-buffer-overflow in `CIccXmlArrayType::ParseText()`. 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, CWE-122

Which versions are affected by CVE-2026-21682?

It affects 1 product.

Products include Color Iccdev.

How do I fix CVE-2026-21682?

No fix has been published for CVE-2026-21682 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-2026-21682 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21682 exists.

All Color Iccdev vulnerabilities

Sources

Also known as GHSA-jq9m-54gr-c56c.

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