# CVE-2026-21503

## Summary

- **CVE ID:** CVE-2026-21503
- **Severity:** MEDIUM
- **CVSS Score:** 6.1 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H)
- **CWE:** CWE-20, CWE-131, CWE-476, CWE-628
- **Published:** Jan 7, 2026
- **Last Modified:** Mar 12, 2026

## Description

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV has undefined behavior due to a null pointer passed to memcpy() in CIccTagSparseMatrixArray. This issue has been patched in version 2.3.1.2.

## Affected Products

- InternationalColorConsortium — iccDEV (< 2.3.1.2)

## References

- [CNA](https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-h554-qrfh-53gx)
- [CNA](https://github.com/InternationalColorConsortium/iccDEV/issues/367)
- [CNA](https://github.com/InternationalColorConsortium/iccDEV/pull/417)
- [CNA](https://github.com/InternationalColorConsortium/iccDEV/commit/55259a6395c4f6124b5d0e38469c77412926bd3d)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.18%
- **EPSS Percentile:** 8.1

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