InternationalColorConsortium iccDEV up to 2.3.1.5 IccUtil.cpp reliance on undefined, unspecified, or implementation-defined behavior

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in InternationalColorConsortium iccDEV. The affected element is an unknown function of the file IccUtil.cpp. The manipulation results in reliance on undefined, unspecified, or implementation-defined behavior. This vulnerability was named CVE-2026-34549. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in InternationalColorConsortium iccDEV. Affected is an unknown functionality of the file IccUtil.cpp. The manipulation with an unknown input leads to a reliance on undefined, unspecified, or implementation-defined behavior vulnerability. CWE is classifying the issue as CWE-758. The product uses an API function, data structure, or other entity in a way that relies on properties that are not always guaranteed to hold for that entity. This is going to have an impact on availability. CVE summarizes:

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 advisory is available at github.com. This vulnerability is traded as CVE-2026-34549 since 03/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 2.3.1.6 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.2
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Reliance on undefined, unspecified, or implementation-defined behavior
CWE: CWE-758
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: iccDEV 2.3.1.6
Patch: github.com

Timelineinfo

03/30/2026 CVE reserved
04/01/2026 +2 days Advisory disclosed
04/01/2026 +0 days VulDB entry created
04/01/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 721
Status: Confirmed

CVE: CVE-2026-34549 (🔒)
GCVE (CVE): GCVE-0-2026-34549
GCVE (VulDB): GCVE-100-354558

Entryinfo

Created: 04/01/2026 04:20
Changes: 04/01/2026 04:20 (65)
Complete: 🔍
Cache ID: 216::103

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