What is CVE-2026-21673?

CVE-2026-21673 is a high-severity vulnerability in Color Iccdev, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-01-06.

How severe is CVE-2026-21673?

High severity. CVSS v3 base score is 7.8 out of 10.

Integer overflow in Color Iccdev

CVE-2026-21673

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have overflows and underflows in CIccXmlArrayType::ParseTextCountNum(). This vulnerability affects users of the iccDEV library who process ICC color profiles. This issue is fixed in version 2.3.1.1.

Vulnerability class: Integer Overflow

EPSS: 0.002 (6.2th 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 < 2.3.1.1

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-21673?: CVE-2026-21673 is a high-severity vulnerability in Color Iccdev, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-01-06.
How severe is CVE-2026-21673?: High severity. CVSS v3 base score is 7.8 out of 10.