CVE-2026-30979 is a heap-based buffer overflow vulnerability identified in the iccDEV library, a set of tools and libraries used for handling ICC color management profiles. The vulnerability resides in the CIccCalculatorFunc::InitSelectOp() function, where insufficient bounds checking during a buffer copy operation allows an attacker with local access to trigger a buffer overflow. This overflow can corrupt heap memory, potentially leading to application crashes or arbitrary code execution. The flaw requires local user interaction, meaning an attacker must have some level of access to the system and actively engage with the vulnerable function. The vulnerability affects all versions of iccDEV prior to 2.3.1.5, with the issue resolved in that release. The CVSS v3.1 score is 7.8, reflecting high severity due to the potential for full compromise of confidentiality, integrity, and availability. The attack vector is local (AV:L), with low attack complexity (AC:L), no privileges required (PR:N), but user interaction is necessary (UI:R). The scope is unchanged (S:U), and the impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). Although no exploits have been reported in the wild, the nature of the vulnerability makes it a significant risk, especially in environments where iccDEV is used for critical color profile processing in digital imaging workflows.

The vulnerability can lead to severe consequences including arbitrary code execution, allowing attackers to gain control over affected systems, escalate privileges, or execute malicious payloads. Memory corruption can also cause denial of service through application or system crashes. Organizations using iccDEV in digital imaging, printing, or graphics processing environments may face operational disruptions, data integrity issues, and potential exposure of sensitive information. Since exploitation requires local access and user interaction, insider threats or compromised user accounts pose a significant risk. The broad impact on confidentiality, integrity, and availability makes this vulnerability critical for environments where color profile processing is integral to business operations or where iccDEV is embedded in larger software stacks.

1. Upgrade all instances of iccDEV to version 2.3.1.5 or later immediately to apply the official patch. 2. Restrict local user permissions to only those necessary, minimizing the risk of untrusted users triggering the vulnerability. 3. Implement application whitelisting and endpoint protection to detect and block anomalous behavior related to iccDEV processes. 4. Monitor system logs and application behavior for signs of memory corruption or crashes linked to iccDEV usage. 5. Conduct regular security audits and user access reviews to identify and limit potential insider threats. 6. If upgrading is not immediately possible, consider isolating systems running vulnerable versions and limiting user interaction with iccDEV tools. 7. Educate users about the risks of interacting with untrusted files or inputs that may trigger the vulnerable function.