CVE-2026-21486: Color Iccdev

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabilities in its CIccSparseMatrix::CIccSparseMatrix function. This issue is fixed in version 2.3.1.2.

Affected products

• Color Iccdev: before 2.3.1.2 (fixed in 2.3.1.2)

Published 2026-01-06. Last modified 2026-06-17.