What is CVE-2026-21677?

CVE-2026-21677 is a high-severity vulnerability in Internationalcolorconsortium Iccdev, classified under CWE-758. CVSS score: 8.8/10. Published 2026-01-06.

How severe is CVE-2026-21677?

High severity. CVSS v3 base score is 8.8 out of 10.

Improper input validation in Internationalcolorconsortium Iccdev

CVE-2026-21677

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed…

EPSS: 0.001 (30.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Internationalcolorconsortium Iccdev — versions < 2.3.1.1

Weakness classification (CWE)

References

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994 (x_refsource_CONFIRM)
https://github.com/InternationalColorConsortium/iccDEV/issues/181 (x_refsource_MISC)
https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-21677?: CVE-2026-21677 is a high-severity vulnerability in Internationalcolorconsortium Iccdev, classified under CWE-758. CVSS score: 8.8/10. Published 2026-01-06.
How severe is CVE-2026-21677?: High severity. CVSS v3 base score is 8.8 out of 10.