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Nef 4.2.1

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medium advisory

free5GC NEF PATCH Handler Vulnerability Leads to Denial of Service

A nil pointer dereference vulnerability exists in free5GC's NEF PATCH /3gpp-pfd-management/v1/{afId}/transactions/{transId}/applications/{appId} handler when UDR access fails, causing a denial-of-service condition.

nef 4.2.1 denial-of-service vulnerability free5GC NEF CVE-2026-44322
2r 1t 3i