CVE-2026-21686 HIGH

CVE-2026-21686: iccDEV has Undefined Behavior in CIccTagLutAtoB::Validate()

Vendor Internationalcolorconsortium
Product iccDEV
Weakness CWE-20 · Input validation
Published January 7, 2026
Last update January 7, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

What the vulnerability does

01Description

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 `CIccTagLutAtoB::Validate()`. 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.

Key dates

02Disclosure timeline

January 7, 2026 CVE published
January 7, 2026 Record updated