Is CVE-2026-21691 actively exploited?

CVE-2026-21691 has no public evidence of in-the-wild exploitation as of 2026-01-12.

What is the CVSS score for CVE-2026-21691?

CVE-2026-21691 has a CVSS score of 5.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L.

How do I patch CVE-2026-21691?

Patch guidance is available from color security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-21691.

CVE-2026-21691 - remediation guidance & executive summary

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 Type Confusion vulnerability in `CIccTag:IsTypeCompressed()`. 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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: low
Weaknesses: CWE-20 · Improper Input Validation CWE-140 CWE-476 · NULL Pointer Dereference CWE-697 CWE-1025 CWE-843

Metadata

Primary Vendor: COLOR
Published: 1/7/2026
Last Modified: 1/12/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

color : iccdev

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-21691. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-21691

View on NIST NVD

CVE-2026-21691 vulnerability