CVE-2026-21503

MEDIUM
2026-01-07 [email protected]
6.1
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 09, 2026 - 21:34 vuln.today
Public exploit code
Patch Released
Jan 09, 2026 - 21:34 nvd
Patch available
CVE Published
Jan 07, 2026 - 18:15 nvd
MEDIUM 6.1

Tags

Null Pointer Dereference Iccdev

Description

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV has undefined behavior due to a null pointer passed to memcpy() in CIccTagSparseMatrixArray. This issue has been patched in version 2.3.1.2.

Analysis

iccDEV versions before 2.3.1.2 are vulnerable to a null pointer dereference in the CIccTagSparseMatrixArray function when processing ICC color profiles, allowing local attackers with user interaction to cause denial of service or data corruption. Public exploit code exists for this vulnerability. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: +20

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CVE-2026-21503 vulnerability details – vuln.today
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