What is the CVSS score of CVE-2026-24406?

CVE-2026-24406 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Is there a public PoC exploit available for CVE-2026-24406?

Yes, a public proof-of-concept exploit is available for CVE-2026-24406. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2026-24406?

Within 24 hours: Identify all systems and applications using iccDEV versions 2.3.1.1 and below; assess exposure scope and classify business criticality. Within 7 days: Apply available vendor patch to all affected systems; prioritize production environments and internet-facing applications. Within 30 days: Complete patching of all remaining systems; conduct post-patch validation testing.

Iccdev CVE-2026-24406

HIGH

Improper Input Validation (CWE-20)

2026-01-24 security-advisories@github.com

Buffer Overflow Iccdev Color

8.8

CVSS 3.1 · GitHub Advisory

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Craft malicious ICC profile file
Delivery

Deliver via network or social engineering
Exploit

Application loads profile into iccDEV library
Execution

SetSize() processes unsanitized input
Persist

Heap buffer overflow triggers
Impact

Execute arbitrary code

Vulnerability Assessment

Weakness	CWE CWE-20 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V2 - Validation and Business Logic Input validation, allowlisting
Exploitation Conditions	iccDEV library versions 2.3.1.1 and below processing untrusted ICC profile files containing crafted NamedColor2 tag data with oversized size parameters. User interaction required to open/load the malicious profile.
Impact	CVSS 8.8 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: Required. Public exploit/POC available.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to perform DoS, manipulate data, bypass application logic and Code Execution.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Heap buffer overflow in iccDEV versions 2.3.1.1 and below allows remote code execution when processing maliciously crafted ICC color profiles, with public exploit code currently available. An unauthenticated attacker can trigger the vulnerability through user-supplied input to the CIccTagNamedColor2::SetSize() function, enabling arbitrary code execution, denial of service, or data manipulation. The vulnerability has been patched in version 2.3.1.2.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:59 CVSS 8.8

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 2.3.1.2.. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-20 (Improper Input Validation). Affects Iccdev. iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. Versions 2.3.1.1 and below have a Heap Buffer Overflow vulnerability in CIccTagNamedColor2::SetSize(). This occurs when user-controllable input is unsafely incorporated into ICC profile data or other structured binary blobs. Successful exploitation may allow an attacker to perform DoS, manipulate data, bypass application logic and Code Execution. This issue has been fixed in versio

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

PoC Detected

Jan 30, 2026 - 18:24 vuln.today

Public exploit code

Patch released

Jan 30, 2026 - 18:24 nvd

Patch available

CVE Published

Jan 24, 2026 - 01:15 nvd

HIGH 8.8

DescriptionGitHub Advisory

iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. Versions 2.3.1.1 and below have a Heap Buffer Overflow vulnerability in CIccTagNamedColor2::SetSize(). This occurs when user-controllable input is unsafely incorporated into ICC profile data or other structured binary blobs. Successful exploitation may allow an attacker to perform DoS, manipulate data, bypass application logic and Code Execution. This issue has been fixed in version 2.3.1.2.

Executive ViewAI

Why It Matters

A heap buffer overflow vulnerability in iccDEV color management libraries (CVE-2026-24406) affects systems processing ICC color profiles and could enable remote code execution. Organizations using affected versions must prioritize patching to prevent potential data compromise or system compromise through malicious color profile files.

Business Impact: High

Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score

0.2%

Top 62% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 0.2%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +44

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.