CVE-2026-21677

HIGH
2026-01-06 [email protected]
8.8
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 12, 2026 - 20:40 vuln.today
Public exploit code
Patch Released
Jan 12, 2026 - 20:40 nvd
Patch available
CVE Published
Jan 06, 2026 - 04:15 nvd
HIGH 8.8

Tags

Code Injection Iccdev

Description

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.

Analysis

iccDEV color management library versions 2.3.1 and earlier contain undefined behavior in the CLUT initialization function that can be exploited remotely without authentication to achieve code execution, information disclosure, or denial of service. Public exploit code exists for this vulnerability which affects all users of the vulnerable library versions. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Vendor patch is available.

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +44
POC: +20

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CVE-2026-21677 vulnerability details – vuln.today
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