Cyber Resilience

CVE-2026-21492

Memory Safety in Color Iccdev ≤ 2.3.1.2

Public PoCMemory Safety
Published
06 January 2026
Modified
12 January 2026
Patch / advisory
View advisory
CVSS Score v3.1 5.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0017 6th percentile
Risk Priority 41 floored blend · peak EPSS

Summary

CVE-2026-21492 is a medium-severity Unchecked Return Value (CWE-252) vulnerability in Color Iccdev. Its CVSS base score is 5.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Endpoint Denial of Service (T1499); ranked at the 6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SA-15 (Development Process, Standards, and Tools) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

A10:2025 Mishandling of Exceptional Conditions

EU & UK References

Vulnerability Data

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a NULL pointer member call vulnerability. This vulnerability affects users of…

more

the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.

CWE(s)
CWE-252CWE-476

Related Threats

MITRE ATT&CK Enterprise Techniques

T1499 Endpoint Denial of Service Impact
Adversaries may perform Endpoint Denial of Service (DoS) attacks to degrade or block the availability of services to users.
attack.mitre.org →
T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2026-21497Same product: Color Iccdev
CVE-2026-21498Same product: Color Iccdev
CVE-2026-21502Same product: Color Iccdev
CVE-2026-21496Same product: Color Iccdev
CVE-2026-30986Same product: Color Iccdev
CVE-2026-21506Same product: Color Iccdev
CVE-2026-21688Same product: Color Iccdev
CVE-2026-21503Same product: Color Iccdev
CVE-2026-21499Same product: Color Iccdev
CVE-2026-21689Same product: Color Iccdev

Affected Assets

color
iccdev
≤ 2.3.1.2

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SA-11 Developer Testing and Evaluation good match

Developer testing and code evaluation can discover instances where return values are ignored.

SA-15 Development Process, Standards, and Tools partial match

Requiring a documented development process and coding standards can mandate explicit checking of all function return values.

SA-8 Security and Privacy Engineering Principles partial match

Engineering principles can mandate defensive coding such as explicit null checks before dereference.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require checking and handling all function return values to detect error conditions.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing in development and acceptance can detect missing return-value checks.

A.8.25 Secure development life cycle partial match
prevents

Secure development life cycle mandates verification of return values to prevent undetected failures.

A.8.26 Application security requirements partial match
prevents

Application security requirements include input/output validation and error handling that covers return-value checks.

A.8.27 Secure system architecture and engineering principles partial match
degrades

Secure system architecture and engineering principles require robust error handling and defensive coding practices.

A.8.28 Secure coding partial match
prevents

Secure coding explicitly requires checking return values to avoid CWE-252.

References