CVE-2026-8187

A flaw has been found in Open5GS up to 2.7.7. This impacts the function gtpv1urecvcb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an...

EUVD-2026-28911

A flaw has been found in Open5GS up to 2.7.7. This impacts the function gtpv1urecvcb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an...

CVE-2026-8187: Uncontrolled Resource Consumption

A flaw has been found in Open5GS up to 2.7.7. This impacts the function gtpv1urecvcb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an...

free5GC's SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF dereference; unauthenticated, state-mutating

Summary free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware same root cause as the broader UPI auth gap reported in free5gc/free5gc887. On top of that, the DELETE /upi/v1/upNodesLinks/upNodeRef handler unconditionally dereferences upNode.UPF after the type-guarde...

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...

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...

CVE-2025-69232

CVE-2025-69232 affects free5GC go-upf up to version 1.2.6 and free5gc smf up to 1.4.0. It is an Improper Input Validation and Protocol Compliance vulnerability that can cause Denial of Service: a remote attacker sends a malformed PFCP Association Setup Request, which UPF accepts and enters an inc...

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...

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...

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-2025-69232: Improper Input Validation

free5GC is an open-source project for 5th generation 5G mobile core networks. free5GC go-upf versions up to and including 1.2.6, corresponding to free5gc smf up to and including 1.4.0, have an Improper Input Validation and Protocol Compliance vulnerability leading to Denial of Service. Remote...

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-2025-70123: 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-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: 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...