CVE-2026-21686
Undefined Behavior in iccDEV ICC Profile Validation Pre
Publication date: 2026-01-07
Last updated on: 2026-01-07
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| iccdev | iccdev | to 2.3.1.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
| CWE-758 | The product uses an API function, data structure, or other entity in a way that relies on properties that are not always guaranteed to hold for that entity. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an Undefined Behavior issue in the function CIccTagLutAtoB::Validate() within the iccDEV library versions prior to 2.3.1.2. The iccDEV library is used to interact with and manipulate ICC color management profiles. The vulnerability affects users who process ICC color profiles using affected versions of the library. It has been fixed in version 2.3.1.2.
How can this vulnerability impact me? :
The vulnerability can impact users by causing undefined behavior when processing ICC color profiles, which may lead to denial of service or other disruptions. The CVSS score indicates a high impact on availability (A:H) with no confidentiality impact and low integrity impact, meaning it could cause application crashes or service interruptions without exposing sensitive data.
What immediate steps should I take to mitigate this vulnerability?
Upgrade the iccDEV library to version 2.3.1.2 or later, as this version contains the patch for the vulnerability. No known workarounds are available.