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Iccdev CVE-2026-21693

HIGH
Improper Input Validation (CWE-20)
2026-01-07 security-advisories@github.com
Code Injection Iccdev
8.8
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 12, 2026 - 18:29 vuln.today
Public exploit code
Patch released
Jan 12, 2026 - 18:29 nvd
Patch available
CVE Published
Jan 07, 2026 - 22:15 nvd
HIGH 8.8

DescriptionGitHub Advisory

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 Type Confusion vulnerability in CIccSegmentedCurveXml::ToXml() at IccXML/IccLibXML/IccMpeXml.cpp. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.

AnalysisAI

Type confusion in iccDEV versions before 2.3.1.2 allows attackers to corrupt memory and achieve high-impact outcomes including code execution, data theft, and denial of service when processing malicious ICC color profiles. The vulnerability exists in the CIccSegmentedCurveXml::ToXml() function and affects any application using the iccDEV library to handle color management data. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Craft malformed ICC color profile
Delivery
Deliver via email or web download
Exploit
User opens profile in iccDEV
Execution
Type confusion in CIccSegmentedCurveXml::ToXml()
Impact
Execute arbitrary code
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Vulnerability AssessmentAI

Exploitation iccDEV library versions prior to 2.3.1.2 processing maliciously crafted ICC color profiles. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability to compromise the affected system.
Remediation A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. …

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CVE-2026-21693 vulnerability details – vuln.today
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