CVE-2026-21485: iccDEV Undefined Behavior (UB) and Out of Memory in CIccProfile::LoadTag()

Severity: high (CVSS 8.8 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 2.3.1.1 and below are prone to have Undefined Behavior (UB) and Out of Memory errors. This issue is fixed in version 2.3.1.2.

Affected products

InternationalColorConsortium iccDEV: before 2.3.1.2 — fixed in 2.3.1.2

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.2. Check the vendor advisory for mitigations.

References

https://github.com/InternationalColorConsortium/iccDEV/commit/c136aac51d25cbb4d9db63f071edad4f088843df
https://github.com/InternationalColorConsortium/iccDEV/issues/340
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-chp2-4gv5-2432
https://github.com/InternationalColorConsortium/iccDEV/issues/340

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