CVE-2026-21495 Division by Zero in iccDEV TIFF Image Reader

Medium 5.5 Published Updated

A division by zero error in the TIFF image reader allows attackers to cause a denial of service in applications using the iccDEV library.

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-2026-21495?

CVE-2026-21495 is a medium-severity denial of service vulnerability in Color Iccdev, published on 7 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 that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to division by zero in the TIFF Image Reader. This issue has been patched in version 2.3.1.2.

Weakness: CWE-369, CWE-20

Which versions are affected by CVE-2026-21495?

It affects 1 product.

Products include Color Iccdev.

How do I fix CVE-2026-21495?

No fix has been published for CVE-2026-21495 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-21495 being exploited?

There is no known exploitation of CVE-2026-21495 in the wild and no public exploit code.

All Color Iccdev vulnerabilities

Sources

Also known as GHSA-xhrm-79rg-5784.

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