CVE-2026-21684

iccDEV has Undefined Behavior in CIccTagSpectralViewingConditions()

7.1 High

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 CIccTagSpectralViewingConditions(). 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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: High

Exploit likelihood

0.29%Up 0.2 points since Jan 8, 2026

What each source reports

CVE List Score used 7.1

iccDEV has Undefined Behavior in CIccTagSpectralViewingConditions()

Record: CVE-2026-21684
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Weakness: CWE-20, CWE-758
Updated: 2026-11-02

EUVDEUVD-2026-1394 7.1

Record: EUVD-2026-1394
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Updated: 2026-11-02

NVD 7.1

Record: CVE-2026-21684
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Weakness: CWE-20, CWE-758
Updated: 2026-11-02

OSV 7.1

iccDEV has Undefined Behavior in CIccTagSpectralViewingConditions()

Record: CVE-2026-21684
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Weakness: CWE-20, CWE-758
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-21684 is a high vulnerability (CVSS 7.1) in Color Iccdev, published January 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.