Free5GC udm

• CVE-2026-27642 Medium 6.6 free5GC has Improper Input Validation in UDM UEAU Service 0.6%
• CVE-2025-69252 Medium 6.6 free5GC has Null Pointer Dereference in UDM, Leading to Service Panic 0.6%
• CVE-2025-69251 Medium 6.6 free5GC has Improper Input Validation in UDM, Leading to Information Exposure 0.5%
• CVE-2025-69250 Medium 6.6 free5GC has Improper Error Handling in UDM, Leading to Information Exposure 0.5%