CVE-2026-21503: color iccdev Improper Input Validation

Vulnerability summary

CVE-2026-21503 is a medium (CVSS 6.1) Improper Input Validation vulnerability in color iccdev. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 07-01-2026
   PublishedVulnerability first disclosed.
2. 07-01-2026
   Last modifiedVulnerability information updated.

Description

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.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
• CWE-131Incorrect Calculation of Buffer SizeThe product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.
• CWE-476NULL Pointer DereferenceThe product dereferences a pointer that it expects to be valid but is NULL.
• CWE-628Function Call with Incorrectly Specified ArgumentsThe product calls a function, procedure, or routine with arguments that are not correctly specified, leading to always-incorrect behavior and resultant weaknesses.