What is CVE-2026-21680?

CVE-2026-21680 is a medium-severity vulnerability in Color Iccdev, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-01-07.

How severe is CVE-2026-21680?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Color Iccdev

CVE-2026-21680

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a NULL pointer dereference vulnerability. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.

Published 2026-01-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Color Iccdev
Internationalcolorconsortium Iccdev — versions < 2.3.1.2

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-mgp7-w4… (Third Party Advisory)
github.com/InternationalColorConsortium/iccDEV/issues/322 (Exploit, Issue Tracking)
github.com/InternationalColorConsortium/iccDEV/pull/325 (Issue Tracking)

Frequently asked questions

What is CVE-2026-21680?: CVE-2026-21680 is a medium-severity vulnerability in Color Iccdev, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-01-07.
How severe is CVE-2026-21680?: Medium severity. CVSS v3 base score is 6.5 out of 10.