PT-2026-21563

Name of the Vulnerable Software and Affected Versions free5GC go-upf versions up to and including 1.2.6 free5gc smf versions up to and including 1.4.0 Description The software contains an Improper Input Validation and Protocol Compliance issue that can lead to Denial of Service. Remote attackers...

CVE-2025-70122

A heap buffer overflow vulnerability in the UPF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted PFCP Session Modification Request. The issue occurs in the SDFFilterFields.UnmarshalBinary function sdf-filter.go when processing a declared length that...

CVE-2025-65562

The free5GC UPF suffers from a lack of bounds checking on the SEID when processing PFCP Session Deletion Requests. An unauthenticated remote attacker can send a request with a very large SEID e.g., 0xFFFFFFFFFFFFFFFF that causes an integer conversion/underflow in LocalNode.DeleteSess /...

CVE-2025-65562

The free5GC UPF suffers from a lack of bounds checking on the SEID when processing PFCP Session Deletion Requests. An unauthenticated remote attacker can send a request with a very large SEID e.g., 0xFFFFFFFFFFFFFFFF that causes an integer conversion/underflow in LocalNode.DeleteSess /...