# CVE-2026-21677

## Summary

- **CVE ID:** CVE-2026-21677
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- **CWE:** CWE-758, CWE-20
- **Published:** Jan 6, 2026
- **Last Modified:** Mar 12, 2026

## 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.

## Affected Products

- InternationalColorConsortium — iccDEV (< 2.3.1.1)

## References

- [CNA](https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994)
- [CNA](https://github.com/InternationalColorConsortium/iccDEV/issues/181)
- [CNA](https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.36%
- **EPSS Percentile:** 29.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._