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CVE-2026-21680— iccDEV has Null Pointer Dereference in CIccProfile::CheckTagTypes()

Quick assessment

Affected
InternationalColorConsortium iccDEV
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

iccDEV是International Color Consortium开源的一个颜色配置代码库。 iccDEV 2.3.1.2之前版本存在代码问题漏洞，该漏洞源于存在空指针取消引用。

CVSS 6.5 · Medium EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-21680

Vulnerability Information
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Vulnerability Title
iccDEV has Null Pointer Dereference in CIccProfile::CheckTagTypes()
Source: CVE Program / CVE List V5
Vulnerability Description
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 dereference vulnerability. 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
iccDEV 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
iccDEV是International Color Consortium开源的一个颜色配置代码库。 iccDEV 2.3.1.2之前版本存在代码问题漏洞，该漏洞源于存在空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
InternationalColorConsortium iccDEV < 2.3.1.2 -

II. Public POCs for CVE-2026-21680

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III. Intelligence Information for CVE-2026-21680

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Patches & Fixes for CVE-2026-21680 (1)

Vendor Advisories for CVE-2026-21680 (1)

Other References for CVE-2026-21680 (1)

Same Patch Batch · InternationalColorConsortium · 2026-01-07 · 30 CVEs total

CVE-2026-22046 8.8 HIGH iccDEV has heap-buffer-overflow in CIccProfileXml::ParseBasic() at IccXML/IccLibXML/IccPro
CVE-2026-21679 8.8 HIGH iccDEV has heap-buffer-overflow vulnerability in CIccLocalizedUnicode::GetText()
CVE-2026-22047 8.8 HIGH iccDEV has heap-buffer-overflow in SIccCalcOp::Describe() at IccProfLib/IccMpeCalc.cpp
CVE-2026-21693 8.8 HIGH iccDEV has Type Confusion in CIccSegmentedCurveXml::ToXml() at IccXML/IccLibXML/IccMpeXml.
CVE-2026-21688 8.8 HIGH iccDEV has Type Confusion in SIccCalcOp::ArgsPushed() at IccProfLib/IccMpeCalc.cpp
CVE-2026-21692 8.8 HIGH iccDEV has Type Confusion in ToXmlCurve() at IccXML/IccLibXML/IccMpeXml.cpp
CVE-2026-21683 8.8 HIGH iccDEV has Type Confusion in icStatusCMM::CIccEvalCompare::EvaluateProfile()
CVE-2026-21682 8.8 HIGH iccDEV has heap-buffer-overflow in CIccXmlArrayType::ParseText()
CVE-2026-21678 7.8 HIGH iccDEV has heap-buffer-overflow vulnerability on IccTagXml()
CVE-2026-21684 7.1 HIGH iccDEV has Undefined Behavior in CIccTagSpectralViewingConditions()
CVE-2026-21686 7.1 HIGH iccDEV has Undefined Behavior in CIccTagLutAtoB::Validate()
CVE-2026-21681 7.1 HIGH iccDEV has Undefined Behavior runtime error: nan is outside the range .. IccProfLib/IccTag
CVE-2026-21685 7.1 HIGH iccDEV has Undefined Behavior in CIccTagLut16::Read()
CVE-2026-21687 7.1 HIGH iccDEV has Undefined Behavior in CIccTagCurve::CIccTagCurve()
CVE-2026-21504 6.6 MEDIUM Heap Buffer Overflow in iccDEV ToneMap Parser
CVE-2026-21689 6.5 MEDIUM iccDEV has Type Confusion in CIccProfileXml::ParseBasic() at IccXML/IccLibXML/IccProfileXm
CVE-2026-21690 6.3 MEDIUM iccDEV has Type Confusion in CIccTagXmlTagData::ToXml()
CVE-2026-21503 6.1 MEDIUM iccDEV has Undefined Behavior - Null Pointer Passed to memcpy() in CIccTagSparseMatrixArra
CVE-2026-21496 5.5 MEDIUM NULL Pointer Dereference in iccDEV Signature Parser
CVE-2026-21502 5.5 MEDIUM NULL Pointer Dereference in iccDEV XML Tag Parser

Showing top 20 of 30 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: iccDEV
Same vendor: InternationalColorConsortium
Same weakness: CWE-476

V. Comments for CVE-2026-21680

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