Buffer overflow in Color Iccdev

CVE-2026-21491

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects users of the iccDEV library who process ICC color profiles. It results in unicode buffer overflow in `CIccTagTextDescription`. Version 2.3.1.2 contains a patch. No known workarounds are available.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (8.4th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-21491?
CVE-2026-21491 is a medium-severity vulnerability in Color Iccdev, classified under Heap-based Buffer Overflow. CVSS score: 6.1/10. Published 2026-01-06.
How severe is CVE-2026-21491?
Medium severity. CVSS v3 base score is 6.1 out of 10.