Buffer overflow in Color Iccdev
CVE-2026-21486
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.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (3.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Color Iccdev
- Internationalcolorconsortium Iccdev — versions < 2.3.1.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-21486?
- CVE-2026-21486 is a high-severity vulnerability in Color Iccdev, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-01-06.
- How severe is CVE-2026-21486?
- High severity. CVSS v3 base score is 7.8 out of 10.