free5GC's NEF 3gpp-pfd-management PATCH applications/{appId} panics on UDR access failure due to nil ProblemDetails dereference

Summary free5GC's NEF PATCH /3gpp-pfd-management/v1/afId/transactions/transId/applications/appId handler panics with a nil-pointer dereference when the upstream UDR call fails AND the consumer wrapper returns err != nil together with a nil ProblemDetails. The handler's errPfdData != nil branch...

PT-2026-39252

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The Network Exposure Function NEF in free5GC contains a nil-pointer dereference issue within the PatchIndividualApplicationPFDManagement function. This occurs when a PATCH request is sent to the...