CVE-2026-34550 MEDIUM

CVE-2026-34550: iccDEV: UB at IccIO.cpp

Vendor Internationalcolorconsortium
Product iccDEV
Weakness CWE-681
Published March 31, 2026
Last update April 1, 2026

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 IccProfLib/IccIO.cpp caused by an implicit conversion from a negative signed integer to size_t (unsigned), which changes the value. This issue has been patched in version 2.3.1.6.

Key dates

02Disclosure timeline

March 31, 2026 CVE published
April 1, 2026 Record updated