CVE-2026-34552: iccDEV: UB at IccTagLut.cpp

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-31 · updated 2026-06-17
Weakness: CWE-476

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior (UB) issue in IccTagLut.cpp where the code performs member access through a null pointer of type CIccApplyCLUT. This issue has been patched in version 2.3.1.6.

Affected products

InternationalColorConsortium iccDEV: before 2.3.1.6 — fixed in 2.3.1.6

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.6. Check the vendor advisory for mitigations.

References

https://github.com/InternationalColorConsortium/iccDEV/issues/701
https://github.com/InternationalColorConsortium/iccDEV/pull/730
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-wgh5-wvv2-r8pq

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