What’s Vulnerable › Vulnerabilities

CVE-2026-21503: iccDEV has Undefined Behavior - Null Pointer Passed to memcpy() in CIccTagSparseMatrixArray

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-07 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• InternationalColorConsortium iccDEV: before 2.3.1.2 — fixed in 2.3.1.2

How to fix

Upgrade to a fixed version: InternationalColorConsortium iccDEV 2.3.1.2. Check the vendor advisory for mitigations.

References

• https://github.com/InternationalColorConsortium/iccDEV/commit/55259a6395c4f6124b5d0e38469c77412926bd3d
• https://github.com/InternationalColorConsortium/iccDEV/issues/367
• https://github.com/InternationalColorConsortium/iccDEV/pull/417
• https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-h554-qrfh-53gx

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