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CVE-2026-34551— iccDEV: NPD in CIccTagLut16::Write()

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 2.3.1.6之前版本存在代码问题漏洞，该漏洞源于处理特制ICC配置文件时可能触发空指针取消引用。

CVSS 6.2 · Medium EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-34551

Vulnerability Information
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Vulnerability Title
iccDEV: NPD in CIccTagLut16::Write()
Source: CVE Program / CVE List V5
Vulnerability Description
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a null-pointer dereference (NPD) in CIccTagLut16::Write() can be triggered when processing a crafted ICC profile (embedded in a TIFF and extracted during iccTiffDump). This issue has been patched in version 2.3.1.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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 2.3.1.6之前版本存在代码问题漏洞，该漏洞源于处理特制ICC配置文件时可能触发空指针取消引用。
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 < 2.3.1.6 -

II. Public POCs for CVE-2026-34551

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III. Intelligence Information for CVE-2026-34551

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Patches & Fixes for CVE-2026-34551 (1)

Vendor Advisories for CVE-2026-34551 (1)

Proof of Concept for CVE-2026-34551 (1)

Same Patch Batch · InternationalColorConsortium · 2026-03-31 · 20 CVEs total

CVE-2026-34537 6.2 MEDIUM iccDEV: UB in CIccOpDefEnvVar::Exec()
CVE-2026-34552 6.2 MEDIUM iccDEV: UB at IccTagLut.cpp
CVE-2026-34554 6.2 MEDIUM iccDEV: HBO in CIccApplyCmmSearch::costFunc()
CVE-2026-34533 6.2 MEDIUM iccDEV: UB in CIccCalculatorFunc::ApplySequence()
CVE-2026-34547 6.2 MEDIUM iccDEV: UB at IccUtil.cpp
CVE-2026-34541 6.2 MEDIUM iccDEV: UB in CIccCombinedConnectionConditions::CIccCombinedConnectionConditions()
CVE-2026-34534 6.2 MEDIUM iccDEV: HBO in CIccMpeSpectralMatrix::Describe()
CVE-2026-34550 6.2 MEDIUM iccDEV: UB at IccIO.cpp
CVE-2026-34555 6.2 MEDIUM iccDEV: SBO in CIccTagFixedNum::GetValues()
CVE-2026-34536 6.2 MEDIUM iccDEV: SO in SIccCalcOp::ArgsUsed()
CVE-2026-34540 6.2 MEDIUM iccDEV: HBO in icMemDump()
CVE-2026-34542 6.2 MEDIUM iccDEV: SBO in CIccCalculatorFunc::Apply()
CVE-2026-34535 6.2 MEDIUM iccDEV: SEGV in CIccTagArray::Cleanup()
CVE-2026-34548 6.2 MEDIUM iccDEV: UB at IccUtilXml.cpp
CVE-2026-34539 6.2 MEDIUM iccDEV: HBO in CTiffImg::WriteLine()
CVE-2026-34556 6.2 MEDIUM iccDEV: HBO in icAnsiToUtf8()
CVE-2026-34546 6.2 MEDIUM iccDEV: UB at TiffImg.h
CVE-2026-34549 6.2 MEDIUM iccDEV: UB at IccUtil.cpp
CVE-2026-34553 4.0 MEDIUM iccDEV: DoS in CIccCLUT::Iterate() & CIccMBB::Describe()

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-34551

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