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CVE-2026-21503

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Date: January 7, 2026

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.

Severity Score

Related Resources (6)

https://github.com/InternationalColorConsortium/iccDEV/issues/367
https://nvd.nist.gov/vuln/detail/CVE-2026-21503
https://github.com/InternationalColorConsortium/iccDEV/commit/55259a6395c4f6124b5d0e38469c77412926bd3d
https://github.com/InternationalColorConsortium/iccDEV/pull/417
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-h554-qrfh-53gx
https://www.mend.io/vulnerability-database/CVE-2026-21503

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

NULL Pointer Dereference

CWE-476

Incorrect Calculation of Buffer Size

CWE-131

Function Call with Incorrectly Specified Arguments

CWE-628

Top Fix

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Upgrade Version

Upgrade to version https://github.com/InternationalColorConsortium/iccDEV.git - v2.3.1.2

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): HIGH

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