iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is a heap-buffer-overflow (HBO) in icAnsiToUtf8() in the XML conversion path. The issue is triggered by a crafted ICC profile which causes icAnsiToUtf8(std::string&, char const*) to treat an input buffer as a C-string and call operations that rely on strlen()/null-termination. AddressSanitizer reports an out-of-bounds READ of size 115 past a 114-byte heap allocation, with the failure observed while running the iccToXml tool. This issue has been patched in version 2.3.1.6.
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Fixes

Solution

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Workaround

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History

Wed, 01 Apr 2026 02:15:00 +0000

Type Values Removed Values Added
Description iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is a heap-buffer-overflow (HBO) in icAnsiToUtf8() in the XML conversion path. The issue is triggered by a crafted ICC profile which causes icAnsiToUtf8(std::string&, char const*) to treat an input buffer as a C-string and call operations that rely on strlen()/null-termination. AddressSanitizer reports an out-of-bounds READ of size 115 past a 114-byte heap allocation, with the failure observed while running the iccToXml tool. This issue has been patched in version 2.3.1.6.
Title iccDEV: HBO in icAnsiToUtf8()
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-31T22:22:47.259Z

Reserved: 2026-03-30T16:31:39.265Z

Link: CVE-2026-34556

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-31T23:17:10.997

Modified: 2026-03-31T23:17:10.997

Link: CVE-2026-34556

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses