CVE-2026-21486

HIGH
2026-01-06 [email protected]
7.8
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Jan 12, 2026 - 20:59 nvd
Patch available
CVE Published
Jan 06, 2026 - 04:15 nvd
HIGH 7.8

Tags

Buffer Overflow Heap Overflow Use After Free Integer Overflow Iccdev

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabilities in its CIccSparseMatrix::CIccSparseMatrix function. This issue is fixed in version 2.3.1.2.

Analysis

iccDEV versions 2.3.1.1 and earlier are vulnerable to use-after-free, heap buffer overflow, and integer overflow flaws in the CIccSparseMatrix function, allowing local attackers with user interaction to achieve arbitrary code execution. The vulnerability affects all systems using vulnerable iccDEV libraries for ICC color profile processing and is resolved in version 2.3.1.2.

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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CVE-2026-21486 vulnerability details – vuln.today
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