What is CVE-2026-21503?

CVE-2026-21503 is a medium-severity vulnerability in Internationalcolorconsortium Iccdev, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2026-01-07.

How severe is CVE-2026-21503?

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

NULL pointer dereference in Internationalcolorconsortium Iccdev

CVE-2026-21503

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV has undefined behavior due to a null pointer passed to memcpy() i…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (12.1th 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:N/I:L/A:H.

Affected products

Internationalcolorconsortium Iccdev — versions < 2.3.1.2

Weakness classification (CWE)

References

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-h554-qrfh-53gx (x_refsource_CONFIRM)
https://github.com/InternationalColorConsortium/iccDEV/issues/367 (x_refsource_MISC)
https://github.com/InternationalColorConsortium/iccDEV/pull/417 (x_refsource_MISC)
https://github.com/InternationalColorConsortium/iccDEV/commit/55259a6395c4f6124b5d0e38469c77412926bd3d (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-21503?: CVE-2026-21503 is a medium-severity vulnerability in Internationalcolorconsortium Iccdev, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2026-01-07.
How severe is CVE-2026-21503?: Medium severity. CVSS v3 base score is 6.1 out of 10.