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Iccdev CVE-2026-34550

MEDIUM
Incorrect Conversion between Numeric Types (CWE-681)
2026-03-31 GitHub_M
Information Disclosure Iccdev
6.2
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
6.2 MEDIUM
AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 31, 2026 - 22:32 vuln.today
CVE Published
Mar 31, 2026 - 22:12 nvd
MEDIUM 6.2

DescriptionGitHub Advisory

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior (UB) condition in IccProfLib/IccIO.cpp caused by an implicit conversion from a negative signed integer to size_t (unsigned), which changes the value. This issue has been patched in version 2.3.1.6.

AnalysisAI

Denial of service in iccDEV prior to version 2.3.1.6 caused by undefined behavior from unsafe implicit conversion of negative signed integers to unsigned size_t in IccProfLib/IccIO.cpp. Local attackers can exploit this condition to crash applications using vulnerable iccDEV libraries by providing specially crafted ICC color profile files, resulting in high availability impact with no authentication required.

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Vulnerability AssessmentAI

Risk Assessment CVSS 6.2 with local attack vector (AV:L) and no privilege requirements reflects moderate real-world risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A local attacker crafts a malicious ICC color profile file with specially engineered negative values in size fields. When a vulnerable application using iccDEV loads this profile, the implicit conversion in IccIO.cpp converts the negative signed integer to an extremely large unsigned value, causing the library to attempt out-of-bounds memory access during profile parsing. …
Remediation Vendor-released patch: iccDEV version 2.3.1.6 or later. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-34550 vulnerability details – vuln.today
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