Summaryinfo

A vulnerability was found in InternationalColorConsortium iccDEV. It has been declared as critical. The impacted element is the function CIccTagArray::Cleanup of the component ICC Color Profile Handler. The manipulation results in heap-based overflow. This vulnerability is known as CVE-2026-34535. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in InternationalColorConsortium iccDEV. It has been classified as critical. Affected is the function CIccTagArray::Cleanup of the component ICC Color Profile Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on availability. CVE summarizes:

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 segmentation fault (SEGV) in CIccTagArray::Cleanup(). The issue is observable under UBSan/ASan as misaligned member access / misaligned pointer loads followed by an invalid read leading to process crash when running iccRoundTrip on a malicious profile. This issue has been patched in version 2.3.1.6.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-34535 since 03/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details 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.

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Productinfo

Vendor

• InternationalColorConsortium

Name

• iccDEV

Version

• 2.3.1.1
• 2.3.1.2
• 2.3.1.3
• 2.3.1.4
• 2.3.1.5

Website

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

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