CVE-2026-21501 is a medium-severity vulnerability affecting iccDEV, a set of libraries and tools for ICC color management. This vulnerability allows a stack overflow in the calculator parser, which could lead to significant availability issues. It is crucial for organizations utilizing iccDEV to recognize the potential risks associated with this vulnerability, particularly since it can be exploited in local environments with low complexity and requires user interaction.
The vulnerability was published on January 7, 2026, and has been analyzed thoroughly. The patched version, 2.3.1.2, addresses this issue. Organizations should prioritize patching to ensure continued availability and mitigate risks associated with this vulnerability.
Risk to organizations includes potential service disruptions that could arise from exploiting this vulnerability. Given the local attack vector and the necessity for user interaction, it is essential for security teams to implement the necessary updates promptly.
Organizations should address this vulnerability in their priority patch cycle to maintain operational integrity and protect against potential exploitation.
Vulnerability Details
The CVE description indicates that iccDEV allows interaction with ICC color management profiles. The vulnerability identified is a stack overflow in the calculator parser, found in versions prior to 2.3.1.2. The official CVSS score for this vulnerability is 5.5, classified as medium severity. Organizations using iccDEV must be aware of the potential risks associated with this vulnerability.
The CVSS vector string for this vulnerability is 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H', indicating a local attack vector with low complexity and no privileges required. User interaction is necessary, and while confidentiality and integrity impacts are none, the availability impact is high, emphasizing the importance of remediation.
The affected product is iccDEV, and organizations must ensure they are running version 2.3.1.2 or later to mitigate the risks associated with this vulnerability.
Technical Analysis
The root cause of CVE-2026-21501 is a programming error in the calculator parser of iccDEV that leads to a stack overflow. The attack vector is local, requiring physical or local machine access. The attack complexity is rated as low, allowing for straightforward exploitation by an attacker with user interaction.
The vulnerability necessitates no privileges for exploitation, making it particularly concerning as it requires only user interaction to trigger the overflow. The impact on availability is high, as successful exploitation could lead to service interruptions or crashes of the application.
Given the impacts on availability, organizations using iccDEV must evaluate their exposure to this vulnerability and take necessary precautions to mitigate potential disruptions.
Risk & Impact Analysis
Real-world deployment of iccDEV with this vulnerability poses risks to organizations, particularly those relying on its functionality for color management. The availability impact can lead to outages and affect operational capabilities.
The urgency assessment based on the CVSS score of 5.5 indicates that this vulnerability should be addressed in the priority patch cycle. Organizations should implement the patch to mitigate risks associated with potential exploitation.
Organizations must recognize that the blast radius potential of this vulnerability could impact not only the local system but also other dependent systems or services relying on iccDEV. Thus, timely remediation is crucial.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to 2.3.1.2 of iccDEV are affected by this vulnerability. Organizations must ensure they upgrade to this version or later to mitigate the risks.
Mitigation & Remediation
To remediate this vulnerability, organizations should update to version 2.3.1.2 of iccDEV. If patching is not immediately feasible, temporary workarounds may include limiting access to affected systems or disabling the calculator feature until the patch can be applied.
For ongoing security, organizations should consider implementing continuous penetration testing and monitoring to identify and address similar vulnerabilities proactively.
Organizations should validate remediation effectiveness through continuous security testing to ensure similar weaknesses are identified.
Detection Guidance
Organizations should monitor logs for unusual behavior related to iccDEV, particularly focusing on unexpected crashes or errors that may indicate the exploitation of this vulnerability.
Behavioral anomalies in the application, especially during calculator operations, should be investigated thoroughly.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-21501 highlights the importance of robust software development practices, particularly in areas dealing with complex data operations, such as color management.
This vulnerability represents a pattern where local vulnerabilities can lead to significant availability impacts if not addressed promptly. Security teams must ensure that all components of critical applications are regularly reviewed and updated.
Organizations should learn from this incident by integrating security assessments into their development cycles to prevent such vulnerabilities from arising in the future.
To understand how to effectively manage security vulnerabilities, consider reviewing resources on vulnerability management programs and implementing penetration testing methodologies to ensure your organization remains secure.
Adopting a proactive security posture by regularly assessing and updating software components is essential to mitigate risks associated with vulnerabilities like CVE-2026-21501.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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