Is this vulnerability remotely exploitable?

It can be, depending on how the host application exposes ICC processing. If a service accepts user-controlled images, print jobs, or assets containing ICC profiles and automatically processes them using iccDEV, an attacker may exploit the flaw remotely by submitting a crafted profile.

What level of access does an attacker need?

The attacker typically only needs the ability to supply or influence ICC profiles that the application processes. No direct code execution access is required; the exploit path runs as part of normal profile parsing or XML conversion.

What is the safest general fix pattern?

The safest pattern is to harden type handling and validation in the ICC profile processing pipeline. Enforce explicit runtime checks before casting or accessing type-specific fields, validate profile structures and value ranges thoroughly, and ensure that unexpected types or malformed data cause clean, fail-safe errors rather than continuing with assumptions.

Severity:

HIGH RISK

(8.8)

Type Confusion in CIccSegmentedCurveXml::ToXml() (CWE-843) in iccDEV Color Profile Library

CVE-2026-21693

Published:

Jan 7, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-306

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

Account Takeover / Loss of Account Control

February 17, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Remote Code Execution on the Server Host

February 17, 2026

Vulnerability Type

Category:

Type Confusion

CWE:

CWE-20;CWE-681;CWE-754;CWE-843

Impact:

Memory Corruption and Potential Code Execution

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Type Confusion

CWE:

CWE-20;CWE-681;CWE-754;CWE-843

Impact:

Memory Corruption and Potential Code Execution

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

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Type Confusion in CIccSegmentedCurveXml::ToXml() (CWE-843) in iccDEV Color Profile Library

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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