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) condition in IccUtil.cpp triggered by a crafted input profile. Under UndefinedBehaviorSanitizer, the issue is reported as invalid left shift operations on icUInt32Number (unsigned 32-bit) where the shifted value “cannot be represented” in that type. This issue has been patched in version 2.3.1.6.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
InternationalColorConsortium iccDEV affected
Version Status Constraints
< 2.3.1.6 affected —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/InternationalColorConsortium/iccDEV/issues/721 cve-icon cve-icon
https://github.com/InternationalColorConsortium/iccDEV/pull/726 cve-icon cve-icon
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-v7qh-f995-p2fq cve-icon cve-icon
History

Wed, 01 Apr 2026 02:15:00 +0000

Type Values Removed Values Added
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) condition in IccUtil.cpp triggered by a crafted input profile. Under UndefinedBehaviorSanitizer, the issue is reported as invalid left shift operations on icUInt32Number (unsigned 32-bit) where the shifted value “cannot be represented” in that type. This issue has been patched in version 2.3.1.6.
Title iccDEV: UB at IccUtil.cpp
Weaknesses CWE-758
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-31T22:11:21.090Z

Reserved: 2026-03-30T16:31:39.264Z

Link: CVE-2026-34549

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-31T23:17:09.770

Modified: 2026-03-31T23:17:09.770

Link: CVE-2026-34549

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses