Iccdev
CVE-2026-21673
HIGH
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessUser opens malicious ICC color profile
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DeliveryiccDEV library parses XML array
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ExploitInteger overflow in ParseTextCountNum()
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ExecutionMemory corruption occurs
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ImpactArbitrary code execution achieved
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Integer overflow checks
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | iccDEV library version 2.3.1 or below must process a specially crafted ICC color profile file containing malformed XML array count values that trigger integer overflow in CIccXmlArrayType::ParseTextCountNum(). User interaction required to open/process the malicious profile. |
| Impact | CVSS 7.8 (HIGH). Attack vector: Local. Complexity: Low. Privileges required: None. User interaction: Required. Public exploit/POC available. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Integer overflow in iccDEV's CIccXmlArrayType::ParseTextCountNum() function allows local attackers with user interaction to achieve arbitrary code execution through maliciously crafted ICC color profile files. The vulnerability affects iccDEV versions 2.3.1 and below, impacting users who process untrusted color profiles. Public exploit code exists for this vulnerability, and a patch is available in version 2.3.1.1.
Earlier versions of this analysis (1)
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have overflows and underflows in CIccXmlArrayType::ParseTextCountNum(). [CVSS 7.8 HIGH]
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 2.3.1.1..
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-190 (Integer Overflow or Wraparound). Affects Iccdev. iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have overflows and underflows in CIccXmlArrayType::ParseTextCountNum(). This vulnerability affects users of the iccDEV library who process ICC color profiles. This issue is fixed in version 2.3.1.1.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/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
Lifecycle Timeline
3DescriptionGitHub Advisory
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have overflows and underflows in CIccXmlArrayType::ParseTextCountNum(). This vulnerability affects users of the iccDEV library who process ICC color profiles. This issue is fixed in version 2.3.1.1.
Executive ViewAI
CVE-2026-21673 presents notable security risk, a integer overflow vulnerability rated CVSS 7.8. Exploitation could allow attackers to corrupt memory, crash the application, or potentially execute arbitrary code. Proof-of-concept code is publicly available, increasing the risk of exploitation. A patch is available and should be applied as part of regular vulnerability management.
Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Integer overflow occurs when an arithmetic operation produces a result that exceeds the maximum value a given integer type can store.
Affected Products (CPE)GitHub Advisory
iccDEV ICC color profile library (through 2.3.1) has a use-after-free in CIccXform::Create() when processing hint object
Heap buffer overflow in iccDEV versions 2.3.1.1 and below allows remote code execution through maliciously crafted ICC c
Heap buffer overflow in iccDEV versions 2.3.1.1 and below allows remote code execution when processing maliciously craft
Heap buffer overflow in iccDEV versions 2.3.1.1 and earlier allows remote code execution through maliciously crafted ICC
Type confusion in iccDEV library versions before 2.3.1.2 allows unauthenticated attackers to achieve remote code executi
iccDEV color management library versions 2.3.1 and earlier contain undefined behavior in the CLUT initialization functio
iccDEV ICC color profile libraries versions 2.3.1.1 and earlier suffer from undefined behavior and out-of-memory errors
Heap buffer overflow in iccDEV versions before 2.3.1.2 allows remote code execution when processing malicious ICC color
Type confusion in iccDEV versions before 2.3.1.2 allows attackers to corrupt memory and achieve high-impact outcomes inc
Type confusion in iccDEV versions before 2.3.1.2 allows unauthenticated attackers to achieve remote code execution throu
Heap buffer overflow in iccDEV versions before 2.3.1.2 allows remote code execution when processing malicious ICC color
Heap buffer overflow in iccDEV versions prior to 2.3.1.2 allows remote attackers to execute arbitrary code through the C
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