CVE-2026-21677

Name: CVE-2026-21677
Creator: NVD / NIST
Published: 2026-01-06T04:15:54.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2026-21677 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed in version 2.3.1.1.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.31%

22.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Color	Iccdev	< 2.3.1.1

References

https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22Patch
https://github.com/InternationalColorConsortium/iccDEV/issues/181Exploit, Issue Tracking, Vendor Advisory
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994Patch, Vendor Advisory
https://github.com/InternationalColorConsortium/iccDEV/issues/181Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: Jan 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-21677?

How severe is CVE-2026-21677?

CVE-2026-21677 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2026-21677?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-21677?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST