CVE-2025-20932
📋 TL;DR
This vulnerability allows local attackers to read out-of-bounds memory when parsing RLE-compressed BMP images in Samsung Notes. It affects Samsung Notes versions prior to 4.4.26.71. Attackers could potentially access sensitive information from memory.
💻 Affected Systems
- Samsung Notes
📦 What is this software?
Notes by Samsung
⚠️ Risk & Real-World Impact
Worst Case
Information disclosure of sensitive memory contents, potentially including credentials, encryption keys, or other application data
Likely Case
Application crash or limited information leakage from adjacent memory regions
If Mitigated
Minimal impact with proper memory protections and ASLR enabled
🎯 Exploit Status
Requires local access and user interaction to open malicious BMP file
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.4.26.71
Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=03
Restart Required: No
Instructions:
1. Open Galaxy Store on Samsung device
2. Search for Samsung Notes
3. Update to version 4.4.26.71 or later
4. Alternatively, enable auto-updates in Galaxy Store settings
🔧 Temporary Workarounds
Disable automatic image processing
androidPrevent automatic parsing of BMP images in Samsung Notes
Restrict file types
androidConfigure device to only open trusted image formats
🧯 If You Can't Patch
- Restrict user access to untrusted BMP files
- Implement application sandboxing and memory protection controls
🔍 How to Verify
Check if Vulnerable:
Check Samsung Notes version in app settings or Galaxy StoreCheck Version:
Settings > Apps > Samsung Notes > App infoVerify Fix Applied:
Confirm Samsung Notes version is 4.4.26.71 or higher📡 Detection & Monitoring
Log Indicators:
- Application crashes when opening BMP files
- Memory access violation logs
SIEM Query:
app:SamsungNotes AND (event:crash OR event:memory_violation) AND file_extension:bmp