CVE-2026-21684

7.1

International Color Consortium · iccDEV

The iccDEV library contains an undefined behavior vulnerability in the CIccTagSpectralViewingConditions function due to improper input validation, which may lead to application crashes or instability.

Executive summary

The iccDEV color management library is vulnerable to an input validation flaw that can lead to service disruption when processing malicious ICC color profiles.

Vulnerability

The vulnerability stems from improper input validation and reliance on undefined behavior within the CIccTagSpectralViewingConditions function. An unauthenticated attacker could trigger this condition by providing a crafted ICC color profile to an application utilizing the library.

Business impact

The flaw carries a CVSS score of 7.1, indicating a high severity risk primarily due to the potential for service availability impact. Successful exploitation could lead to application crashes, causing operational downtime for systems that rely on this library for image or color processing. While the impact is largely focused on availability, the vulnerability underscores a significant weakness in the input processing pipeline of the affected software.

Remediation

Immediate Action: Update the iccDEV library to version 2.3.1.2 or later to incorporate the vendor-provided patch.

Proactive Monitoring: Monitor application logs for segmentation faults or unexpected termination events occurring during the parsing of ICC color profiles.

Compensating Controls: Implement rigorous input filtering or sandboxing for any service that accepts and processes external ICC color profiles to prevent malicious payloads from reaching the vulnerable function.

Exploitation status

Public Exploit Available: Unknown.

Analyst recommendation

Given the availability of a patch and the potential for service disruption, organizations should prioritize upgrading to version 2.3.1.2 immediately. Testing the update in a staging environment is advised to ensure compatibility before deploying to production systems that rely on iccDEV for critical color management tasks.

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