CVE-2026-30987 is a classic stack-based buffer overflow vulnerability identified in the InternationalColorConsortium's iccDEV library, specifically in the CIccTagNum<>::GetValues() function. This function fails to verify the size of input data before copying it onto a stack buffer, leading to potential stack memory corruption or application crashes. The vulnerability affects all iccDEV versions prior to 2.3.1.5 and is fixed in that release. The flaw is categorized under CWE-120 (Buffer Copy without Checking Size of Input), CWE-121 (Stack-based Buffer Overflow), and CWE-787 (Out-of-bounds Write), indicating improper bounds checking and unsafe memory operations. Exploitation requires local access with low privileges and user interaction, such as opening a crafted ICC profile file, which could trigger the overflow. Successful exploitation can lead to arbitrary code execution, allowing attackers to compromise confidentiality, integrity, and availability of the affected system. The vulnerability is relevant to any software or systems that utilize iccDEV for ICC color profile processing, including digital imaging applications, printing workflows, and color management tools. While no public exploits are known, the high CVSS score (7.8) underscores the serious risk posed by this vulnerability if exploited. The patch to version 2.3.1.5 addresses the issue by implementing proper input size validation before buffer operations.

The vulnerability can lead to complete compromise of affected systems by enabling attackers to execute arbitrary code with the privileges of the user running the vulnerable application. This can result in unauthorized access to sensitive image or color profile data, manipulation or destruction of data integrity, and denial of service through application crashes. Organizations that rely on iccDEV for color management in imaging, printing, or media production environments may face operational disruptions and data breaches. Although exploitation requires local access and user interaction, the widespread use of ICC profiles in various software increases the attack surface. The impact is particularly significant for industries such as digital media, printing services, photography, and graphic design, where color accuracy and profile integrity are critical. Additionally, compromised systems could be leveraged as footholds for further network intrusion. The absence of known exploits in the wild currently reduces immediate risk, but the vulnerability remains a high priority for patching due to its potential severity.

Organizations should immediately upgrade all instances of iccDEV to version 2.3.1.5 or later to eliminate the vulnerability. Where upgrading is not immediately feasible, implement strict input validation and sandboxing around any processes that handle ICC profiles to limit potential damage from exploitation. Employ application whitelisting and restrict user permissions to minimize the impact of local exploitation. Monitor systems for unusual crashes or behavior related to color profile processing applications. Conduct code audits and penetration testing focused on ICC profile handling components to identify any residual or related vulnerabilities. Educate users about the risks of opening untrusted or unsolicited ICC profile files, especially in environments where local access is shared or less controlled. Maintain up-to-date endpoint protection and intrusion detection systems capable of detecting anomalous memory corruption attempts. Finally, coordinate with software vendors and update third-party applications that embed iccDEV to ensure they incorporate the patched library version.