PT-2026-8007

Name of the Vulnerable Software and Affected Versions free5GC version 4.0.1 Description A heap buffer overflow exists in the UPF component of free5GC version 4.0.1. This flaw allows remote attackers to potentially cause a denial of service by sending a specially crafted PFCP Session Modification...

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-2025-70121

The CVE-2025-70121 issue affects free5GC v4.0.1 AMF component, where GetSUCI in NAS_MobileIdentity5GS.go accesses index 5 of a 5-element array, causing an array index out-of-bounds and a runtime panic that crashes the AMF, enabling remote denial-of-service via a crafted 5GS Mobile Identity in a N...

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, which stems from improper input validation and protocol compliance. This vulnerability could allow remote attackers to cause denial-of-service attacks...

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-2025-70123

Summary of CVE-2025-70123 : In free5GC v4.0.1, the UPF fails to validate a malformed PFCP Association Setup Request, violating 3GPP TS 29.244. This leads to an inconsistent UPF state, and a subsequent valid PFCP Session Establishment Request can trigger a cascading failure that disrupts the SMF c...

CVE-2025-70121

An array index out of bounds vulnerability in the AMF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted 5GS Mobile Identity in a NAS Registration Request message. The issue occurs in the GetSUCI method NASMobileIdentity5GS.go when accessing index 5 of ...

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-2026-1974

A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and...

CVE-2026-1973

A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. I...

CVE-2026-1976

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used f...

CVE-2026-1975

A security flaw has been discovered in Free5GC up to 4.1.0. This impacts the function identityTriggerType of the file pfcpreports.go. The manipulation results in null pointer dereference. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the identityTriggerType function in the pfcpreports.go file. An attacker can cause a denial of service by sending specially crafted requests that trigger a null pointer dereference. Remediation Upgrade...

CVE-2026-1975

A security flaw has been discovered in Free5GC up to 4.1.0. This impacts the function identityTriggerType of the file pfcpreports.go. The manipulation results in null pointer dereference. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks...

CVE-2026-1976

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used f...

CVE-2026-1976

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used f...

CVE-2026-1976 Free5GC SMF SessionDeletionResponse null pointer dereference

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used f...

CVE-2026-1976

CVE-2026-1976 affects Free5GC up to version 4.1.0, specifically the SMF component’s function SessionDeletionResponse. The vulnerability is a null pointer dereference caused by the manipulation, with remote exploitation possible. Public exploits are available, and a patch is recommended to address...

CVE-2026-1976 Free5GC SMF SessionDeletionResponse null pointer dereference

A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used f...