CVE-2025-26463
📋 TL;DR
This Android vulnerability allows resource exhaustion through repeated package access requests, potentially causing persistent denial of service on affected devices. It affects Android systems with the vulnerable framework code and requires no user interaction or special privileges for exploitation.
💻 Affected Systems
- Android
📦 What is this software?
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Persistent denial of service rendering the device unusable until factory reset or manual intervention
Likely Case
Degraded device performance, app crashes, or temporary unresponsiveness requiring reboot
If Mitigated
Minimal impact with proper resource monitoring and process isolation
🎯 Exploit Status
Requires ability to repeatedly call allowPackageAccess functions; no authentication needed but requires app installation or system access
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android Security Patch Level June 2025 or later
Vendor Advisory: https://source.android.com/security/bulletin/2025-06-01
Restart Required: No
Instructions:
1. Check for Android system updates in Settings > System > System update. 2. Apply the June 2025 security patch or later. 3. Verify patch installation in Settings > About phone > Android security patch level.
🔧 Temporary Workarounds
Restrict app installation
AndroidPrevent installation of untrusted apps that could exploit this vulnerability
adb shell settings put secure install_non_market_apps 0
🧯 If You Can't Patch
- Implement strict app vetting and only allow trusted applications
- Monitor system resources and restart services showing abnormal resource consumption
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android security patch level. If before June 2025, likely vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify Android security patch level shows June 2025 or later date📡 Detection & Monitoring
Log Indicators:
- Repeated PackageManager operations
- Resource exhaustion warnings in system logs
- Abnormal memory or CPU usage by system services
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
source="android_system" AND ("PackageManager" OR "allowPackageAccess") AND frequency > 1000 per minute