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CVE-2026-21687

Color Iccdev vulnerability

7.1 HIGHPublic exploitEPSS 0.29%
  1. Published7 Jan 2026

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 Undefined Behavior in `CIccTagCurve::CIccTagCurve()`. 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

Affected products

Color Iccdev< 2.3.1.1

Remediation

Fixed in
Color Iccdev≥ 2.3.1.1

References

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Frequently asked

Is CVE-2026-21687 being actively exploited?

CVE-2026-21687 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.29%.

How severe is CVE-2026-21687?

CVE-2026-21687 has a CVSS 3.1 base score of 7.1, rated high. EPSS estimates a 0.29% probability of exploitation.

Which products are affected by CVE-2026-21687?

Affected products include Color Iccdev.

How do I fix CVE-2026-21687?

Upgrade affected software to a fixed version, for example Color Iccdev 2.3.1.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-21687 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.