CVE-2026-21675: iccDEV has a Use After Free vulnerability in CIccCmm class via improper hint manager object deletion

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-06 · updated 2026-06-17
Weakness: CWE-20

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below contain a Use After Free vulnerability in the CIccXform::Create() function, where it deletes the hint. This issue is fixed in version 2.3.1.1.

Affected products

InternationalColorConsortium iccDEV: before 2.3.1.1 — fixed in 2.3.1.1

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.1. Check the vendor advisory for mitigations.

References

https://github.com/InternationalColorConsortium/iccDEV/commit/510baf58fa48e00ebbb5dd577f0db4af8876bb31
https://github.com/InternationalColorConsortium/iccDEV/issues/182
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-wcwx-794g-g78f
https://github.com/InternationalColorConsortium/iccDEV/issues/182

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