What is CVE-2026-21489?

CVE-2026-21489 is a medium-severity vulnerability in Color Iccdev, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-01-06.

How severe is CVE-2026-21489?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Out-of-bounds Read in Color Iccdev

CVE-2026-21489

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below have Out-of-bounds Read and Integer Underflow (Wrap or Wraparound) vulnerabilities in its CIccCalculatorFunc::SequenceNeedTempReset function. This issue is fixed in version 2.3.1.2.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.

Affected products

Color Iccdev
Internationalcolorconsortium Iccdev — versions < 2.3.1.2

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-21489?: CVE-2026-21489 is a medium-severity vulnerability in Color Iccdev, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-01-06.
How severe is CVE-2026-21489?: Medium severity. CVSS v3 base score is 6.1 out of 10.