InternationalColorConsortium iccDEV up to 2.3.1.5 ICC Color Profile IccProfLib/IccUtil.cpp icMemDump heap-based overflow

Summaryinfo

A vulnerability classified as critical was found in InternationalColorConsortium iccDEV. This issue affects the function icMemDump in the library IccProfLib/IccUtil.cpp of the component ICC Color Profile Handler. Such manipulation leads to heap-based overflow. This vulnerability is listed as CVE-2026-34540. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in InternationalColorConsortium iccDEV and classified as critical. Affected by this issue is the function icMemDump in the library IccProfLib/IccUtil.cpp of the component ICC Color Profile Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is 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 heap-buffer-overflow (HBO) in icMemDump() when iccDumpProfile attempts to dump/describe malformed tag contents. The issue is observable under AddressSanitizer as an out-of-bounds heap read in icMemDump(...) at IccProfLib/IccUtil.cpp:1002, reachable via CIccTagUnknown::Describe(). This issue has been patched in version 2.3.1.6.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-34540 since 03/30/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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