CVE-2026-21677

iccDEV has Undefined Behavior in CIccCLUT::Init()

State: Published
Severity: 8.8 High
Published: Jan 6, 2026
Updated: Jan 6, 2026
Reserved: Jan 2, 2026

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed in version 2.3.1.1.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-758 Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
CWE-20 Improper Input Validation

Affected Products

Product	Versions
iccDEVInternationalColorConsortium	< 2.3.1.1Affected

References

https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994
https://github.com/InternationalColorConsortium/iccDEV/issues/181
https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22

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