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CVE-2026-21677

Good to know:

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Date: January 5, 2026

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed in version 2.3.1.1.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-21677
https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-95w5-jvqf-3994
https://github.com/InternationalColorConsortium/iccDEV/issues/181
https://github.com/InternationalColorConsortium/iccDEV/commit/201125fbda22c8e4ea95800a6b427093fa4b8a22
https://www.mend.io/vulnerability-database/CVE-2026-21677

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

CWE-758

Top Fix

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Upgrade Version

Upgrade to version https://github.com/InternationalColorConsortium/iccDEV.git - v2.3.1.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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