PT-2026-21564

Name of the Vulnerable Software and Affected Versions free5GC go-upf versions prior to 1.2.8 Description The go-upf component of free5GC, a User Plane Function UPF implementation for 5G networks, contains a Heap-based Buffer Overflow. A specially crafted PFCP Session Modification Request with an...

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-2025-70123

An improper input validation and protocol compliance vulnerability in free5GC v4.0.1 allows remote attackers to cause a denial of service. The UPF incorrectly accepts a malformed PFCP Association Setup Request, violating 3GPP TS 29.244. This places the UPF in an inconsistent state where a...

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...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the SDFFilterFields.UnmarshalBinary function when processing a declared length that exceeds the actual buffer capacity. An attacker can cause a crash of the UPF component by sending a specially crafted PFC...

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...

free5GC 安全漏洞

free5GC is an open-source project for the 5th generation 5G mobile core network. Version 4.0.1 of free5GC contains a security vulnerability caused by a heap buffer overflow in the UPF component. This vulnerability could allow remote attackers to exploit it through a specially crafted PFCP Session...

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-2025-70122

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-2025-15156

A flaw has been found in omec-project UPF up to 2.1.3-dev. This affects the function handleSessionEstablishmentRequest of the file /pfcpiface/pfcpiface/messagessession.go of the component PFCP Session Establishment Request Handler. This manipulation causes null pointer dereference. The attack may...

CVE-2025-15156 omec-project UPF PFCP Session Establishment Request messages_session.go handleSessionEstablishmentRequest null pointer dereference

A flaw has been found in omec-project UPF up to 2.1.3-dev. This affects the function handleSessionEstablishmentRequest of the file /pfcpiface/pfcpiface/messagessession.go of the component PFCP Session Establishment Request Handler. This manipulation causes null pointer dereference. The attack may...

CVE-2025-15156

CVE-2025-15156 affects omec-project UPF up to 2.1.3-dev. The PFCP Session Establishment Request Handler’s handleSessionEstablishmentRequest permits a null pointer dereference; the issue can be triggered remotely. Exploit is published; multiple sources note a lack of a fixed version for the patche...

CVE-2025-65564

A denial-of-service vulnerability exists in the omec-upf upf-epc-pfcpiface in version upf-epc-pfcpiface:2.1.3-dev. When the UPF receives a PFCP Association Setup Request that is missing the mandatory Recovery Time Stamp Information Element, the association setup handler dereferences a nil pointer...

CVE-2025-65568

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a PFCP Session Establishment Request that includes a CreateFAR with an empty or truncated IPv4 address field is not properly validated. During...

CVE-2025-65559

An issue was discovered in Open5GS 2.7.5-49-g465e90f, when processing a PFCP Session Establishment Request type=50, the UPF crashes with a reachable assertion in lib/pfcp/context.c ogspfcpobjectteidhashset if the CreatePDR?PDI?F-TEID has CH=1 and the F-TEID address-family flags IPv4/IPv6 do not...

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 /...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the association setup handler process. An attacker can cause the service to crash and disrupt user-plane services by sending a PFCP Association Setup Request that omits the mandatory Recovery Time Stamp...

CVE-2025-65565

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association is established, a PFCP Session Establishment Request that is missing the mandatory F-SEID CPF-SEID Information Element is not properly validated. The...

CVE-2025-65567

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a specially crafted PFCP Session Establishment Request with a CreatePDR that contains a malformed Flow-Description is not robustly validated. The...

CVE-2025-65568

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a PFCP Session Establishment Request that includes a CreateFAR with an empty or truncated IPv4 address field is not properly validated. During...