CVE-2026-3390
📋 TL;DR
This vulnerability allows local attackers to perform out-of-bounds read operations in FascinatedBox lily's error reporting component. The flaw could potentially leak sensitive memory contents or cause application crashes. Only users running lily versions up to 2.3 are affected.
💻 Affected Systems
- FascinatedBox lily
📦 What is this software?
Lily by Lily Lang
⚠️ Risk & Real-World Impact
Worst Case
Information disclosure of sensitive memory contents, potential application crash leading to denial of service, or as a stepping stone for further exploitation
Likely Case
Application crash or instability when processing malformed input in error reporting scenarios
If Mitigated
Limited impact due to local-only exploitation requirement and low CVSS score
🎯 Exploit Status
Exploit requires local access and specific triggering conditions in error reporting
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: Yes
Instructions:
No official patch available. Monitor the GitHub repository for updates. Consider workarounds or alternative software if critical.
🔧 Temporary Workarounds
Disable or restrict lily usage
allRemove or restrict execution of lily applications to trusted users only
chmod 750 /path/to/lily
chown root:root /path/to/lily
Implement strict input validation
allEnsure all input to lily applications is properly validated before processing
🧯 If You Can't Patch
- Implement strict access controls to limit who can execute lily applications
- Monitor systems for abnormal application crashes or memory access patterns
🔍 How to Verify
Check if Vulnerable:
Check lily version with 'lily --version' or examine installed package versionCheck Version:
lily --versionVerify Fix Applied:
Verify version is above 2.3 or check for updated package from vendor📡 Detection & Monitoring
Log Indicators:
- Application crashes of lily processes
- Memory access violation errors in system logs
Network Indicators:
- None - local-only vulnerability
SIEM Query:
Process:lily AND (EventID:1000 OR EventID:1001 OR "segmentation fault" OR "access violation")