InternationalColorConsortium iccDEV 2.3.1.1 CIccTagSparseMatrixArray null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in InternationalColorConsortium iccDEV. It has been classified as problematic. The affected element is the function CIccTagSparseMatrixArray. Performing a manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2026-21503. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in InternationalColorConsortium iccDEV. This affects the function CIccTagSparseMatrixArray. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV has undefined behavior due to a null pointer passed to memcpy() in CIccTagSparseMatrixArray. This issue has been patched in version 2.3.1.2.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-21503 since 12/29/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.3.1.2 eliminates this vulnerability. Applying the patch 55259a6395c4f6124b5d0e38469c77412926bd3d 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-1386). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 6.1
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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
Patch: 55259a6395c4f6124b5d0e38469c77412926bd3d

Timelineinfo

12/29/2025 CVE reserved
01/07/2026 +9 days Advisory disclosed
01/07/2026 +0 days VulDB entry created
01/09/2026 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 367
Status: Confirmed

CVE: CVE-2026-21503 (🔒)
GCVE (CVE): GCVE-0-2026-21503
GCVE (VulDB): GCVE-100-339939
EUVD: 🔒

Entryinfo

Created: 01/07/2026 22:21
Updated: 01/09/2026 23:50
Changes: 01/07/2026 22:21 (67), 01/08/2026 12:43 (1), 01/09/2026 23:50 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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