CVE-2026-34549 MEDIUM

CVE-2026-34549: iccDEV: UB at IccUtil.cpp

Vendor Internationalcolorconsortium
Product iccDEV
Weakness CWE-758
Published March 31, 2026
Last update April 3, 2026
View on NVD All CVEs

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 31, 2026 CVE published
April 3, 2026 Record updated