CVE-2026-108103

Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogspfcpparsedroppeddltrafficthreshold that allows remote unauthenticated attackers to read past IE buffers via short IEs. Attackers can send PFCP Session Establishment or Modification Requests to the UPF on UDP port 8805 wi...

CVE-2026-108102

Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogspfcpparsevolumemeasurement in lib/pfcp/types.c that allows remote unauthenticated attackers to read past IE buffers. Attackers can send a PFCP Session Report Request to the SMF on UDP port 8805 with a short, all-flags...

CVE-2026-108102 Open5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Volume Measurement IE

Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogspfcpparsevolumemeasurement in lib/pfcp/types.c that allows remote unauthenticated attackers to read past IE buffers. Attackers can send a PFCP Session Report Request to the SMF on UDP port 8805 with a short, all-flags...

CVE-2026-108102

The Open5GS project (versions through 2.8.0 ) contains a heap out-of-bounds read vulnerability within the ogs_pfcp_parse_volume_measurement() function in lib/pfcp/types.c. This flaw allows remote unauthenticated attackers to read past Information Element (IE) buffers by sending a PFCP Session Rep...

CVE-2026-92416: Reachable Assertion

A vulnerability has been found in Open5GS up to 2.8.0. Affected by this issue is the function smfn4handlesessionreportrequest of the file src/smf/n4-handler.c of the component PFCP Session Report Request Handler. The manipulation leads to reachable assertion. The attack may be initiated remotely...

PT-2026-93876

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.8.1 Description A remote attack can be initiated against the PFCP Session Report Request Handler component. The issue resides in the smf n4 handle session report request function within the src/smf/n4-handler.c file...

CVE-2025-69247

free5GC go-upf is the User Plane Function UPF implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow CWE-122 vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element by sending a specially...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the PFCP SessionReportRequest process when ReportType.USAR is set to 1 and the UsageReport omits the mandatory URRID sub-IE. An attacker can cause the service to crash and terminate by sending a specially...

CVE-2025-69247

The CVE-2025-69247 entry concerns the free5GC go-upf UPF component. Versions prior to 1.2.8 are affected by a Heap-based Buffer Overflow (CWE-122) triggered by a PFCP Session Modification Request with an invalid SDF Filter length field, causing denial of service and potential cascading SMF impact...

CVE-2025-69247: Heap-based Buffer Overflow

free5GC go-upf is the User Plane Function UPF implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow CWE-122 vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element by sending a specially...

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: Heap-based Buffer Overflow

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-2025-70123: Improper Input Validation

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...

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...

NULL Pointer Dereference

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

NULL Pointer Dereference

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

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...