CVE-2026-34549CWE-758

iccDEV: UB at IccUtil.cpp

Medium · published March 31, 2026

CVSS v3.1
6.2
EPSS
0%
Percentile
6.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00174 · 6.5th percentile
Weakness
CWE-758 · Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
Published
2026-03-31T22:11Z
EPSS history
Timeline
  • 31 MAR 22:11Z
    iccDEV: UB at IccUtil.cpp
    cvelistv5