Summaryinfo

A vulnerability, which was classified as critical, has been found in InternationalColorConsortium iccDEV up to 2.3.1.6. Impacted is the function CIccCalculatorFunc::Apply in the library IccProfLib/IccMpeCalc.cpp of the component ICC Color Profile Handler. Performing a manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2026-34542. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in InternationalColorConsortium iccDEV up to 2.3.1.6. It has been classified as critical. This affects the function CIccCalculatorFunc::Apply in the library IccProfLib/IccMpeCalc.cpp of the component ICC Color Profile Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on availability. The summary by CVE is:

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger a stack-buffer-overflow (SBO) in CIccCalculatorFunc::Apply() when processed via iccApplyNamedCmm. Under AddressSanitizer, the failure is reported as a 4-byte write stack-buffer-overflow in IccProfLib/IccMpeCalc.cpp:3873, reachable through the MPE calculator / curve set initialization path. This issue has been patched in version 2.3.1.6.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-34542 since 03/30/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.3.1.6 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• InternationalColorConsortium

Name

• iccDEV

Version

• 2.3.1.0
• 2.3.1.1
• 2.3.1.2
• 2.3.1.3
• 2.3.1.4
• 2.3.1.5
• 2.3.1.6

Website

• Product: https://github.com/InternationalColorConsortium/iccDEV/

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