CVE-2026-21683
📋 TL;DR
A type confusion vulnerability in iccDEV's CIccEvalCompare::EvaluateProfile() function allows attackers to execute arbitrary code or cause denial of service by processing malicious ICC color profiles. This affects all users of iccDEV library versions before 2.3.1.2 who handle ICC color profiles. The vulnerability is rated CVSS 8.8 (HIGH).
💻 Affected Systems
- iccDEV library and any software using iccDEV
📦 What is this software?
Iccdev by Color
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Application crash or denial of service affecting color processing functionality.
If Mitigated
Limited impact with proper input validation and sandboxing, potentially just application instability.
🎯 Exploit Status
Exploitation requires crafting malicious ICC profiles, but no public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.1.2
Vendor Advisory: https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-f2wp-j3fr-938w
Restart Required: Yes
Instructions:
1. Update iccDEV to version 2.3.1.2 or later. 2. Recompile any applications using iccDEV. 3. Restart affected services.
🔧 Temporary Workarounds
No known workarounds
allThe vendor advisory states no workarounds are available. Patching is required.
🧯 If You Can't Patch
- Implement strict input validation for ICC profile files
- Sandbox color profile processing in isolated containers or virtual machines
🔍 How to Verify
Check if Vulnerable:
Check if your application uses iccDEV version < 2.3.1.2 via dependency checking tools or by examining linked libraries.Check Version:
For Linux: ldd /path/to/application | grep iccDEV; For development: check build configuration filesVerify Fix Applied:
Verify iccDEV version is 2.3.1.2 or higher using package manager or library version checks.📡 Detection & Monitoring
Log Indicators:
- Application crashes during ICC profile processing
- Memory access violation errors in application logs
Network Indicators:
- Unusual uploads of ICC profile files to web applications
SIEM Query:
source="application_logs" AND ("segmentation fault" OR "access violation" OR "iccDEV")