# CVE-2026-34549

## Summary

- **CVE ID:** CVE-2026-34549
- **Severity:** MEDIUM
- **CVSS Score:** 6.2 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-758
- **Published:** Mar 31, 2026
- **Last Modified:** Apr 3, 2026

## 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.

## Affected Products

- InternationalColorConsortium — iccDEV (< 2.3.1.6)

## References

- [CNA](https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-v7qh-f995-p2fq)
- [CNA](https://github.com/InternationalColorConsortium/iccDEV/issues/721)
- [CNA](https://github.com/InternationalColorConsortium/iccDEV/pull/726)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.16%
- **EPSS Percentile:** 5.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._