What is CVE-2026-21488?

CVE-2026-21488 is a medium-severity vulnerability in Internationalcolorconsortium Iccdev, classified under Heap-based Buffer Overflow. CVSS score: 6.1/10. Published 2026-01-06.

How severe is CVE-2026-21488?

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

Buffer overflow in Internationalcolorconsortium Iccdev

CVE-2026-21488

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are vulnerable to Out-of-bounds Read, Heap-based Buffer Overflow and Improper Null Termination through its CIccTagText…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (2.1th 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

Internationalcolorconsortium Iccdev — versions < 2.3.1.2

Weakness classification (CWE)

References

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-4j2g-rvv4-86vg (x_refsource_CONFIRM)
https://github.com/InternationalColorConsortium/iccDEV/commit/9daaccceb231c43db8cab312ee5bbe9d2aa6b153 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-21488?: CVE-2026-21488 is a medium-severity vulnerability in Internationalcolorconsortium Iccdev, classified under Heap-based Buffer Overflow. CVSS score: 6.1/10. Published 2026-01-06.
How severe is CVE-2026-21488?: Medium severity. CVSS v3 base score is 6.1 out of 10.