InternationalColorConsortium iccDEV up to 2.3.1.1/2.3.1.2 CIccSingleSampledeCurveXml reliance on data layout

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in InternationalColorConsortium iccDEV up to 2.3.1.1/2.3.1.2. It has been rated as critical. This impacts the function CIccSingleSampledeCurveXml. The manipulation leads to reliance on data layout. This vulnerability is traded as CVE-2026-21493. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in InternationalColorConsortium iccDEV up to 2.3.1.1/2.3.1.2. This issue affects the function CIccSingleSampledeCurveXml. The manipulation with an unknown input leads to a reliance on data layout vulnerability. Using CWE to declare the problem leads to CWE-188. The product makes invalid assumptions about how protocol data or memory is organized at a lower level, resulting in unintended program behavior. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are vulnerable to Type Confusion in its CIccSingleSampledeCurveXml class during XML Curve Serialization. This issue is fixed in version 2.3.1.2.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-21493 since 12/29/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 2.3.1.2 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.6
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Reliance on data layout
CWE: CWE-188
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 2.3.1.2

Timelineinfo

12/29/2025 CVE reserved
01/06/2026 +8 days Advisory disclosed
01/06/2026 +0 days VulDB entry created
01/06/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-21493 (🔒)
GCVE (CVE): GCVE-0-2026-21493
GCVE (VulDB): GCVE-100-339689

Entryinfo

Created: 01/06/2026 15:53
Changes: 01/06/2026 15:53 (63)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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