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CVE-2026-34546— iccDEV: UB at TiffImg.h

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之前版本存在数字错误漏洞，该漏洞源于特制TIFF输入可能导致除零错误，触发未定义行为。

CVSS 6.2 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-34546

Vulnerability Information
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Vulnerability Title
iccDEV: UB at TiffImg.h
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 crafted TIFF input can trigger Undefined Behavior (UB) due to division by zero in the TIFF handling code paths used by 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
除零错误
Source: CVE Program / CVE List V5
Vulnerability Title
iccDEV 数字错误漏洞
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之前版本存在数字错误漏洞，该漏洞源于特制TIFF输入可能导致除零错误，触发未定义行为。
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-2026-34546

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III. Intelligence Information for CVE-2026-34546

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Patches & Fixes for CVE-2026-34546 (1)

Vendor Advisories for CVE-2026-34546 (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-2026-34551 6.2 MEDIUM iccDEV: NPD in CIccTagLut16::Write()
CVE-2026-34556 6.2 MEDIUM iccDEV: HBO in icAnsiToUtf8()
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-369

V. Comments for CVE-2026-34546

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