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` (`ogs_pfcp_object_teid_hash_set`) if the CreatePDR?PDI?F-TEID has CH=1 and the F-TEID address-family flag(s) (IPv4/IPv6) do not match the GTP-U resource family configured for the selected DNN (Network Instance), resulting in a denial of service.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/open5gs/open5gs/issues/4135	Exploit Issue Tracking Vendor Advisory
https://github.com/open5gs/open5gs/issues/4135	Exploit Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:open5gs:open5gs:2.7.5:*:*:*:*:*:*:*

History

13 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se descubrió un problema en Open5GS 2.7.5-49-g465e90f, al procesar una Solicitud de Establecimiento de Sesión PFCP (tipo=50), el UPF falla con una aserción alcanzable en 'lib/pfcp/context.c' ('ogs_pfcp_object_teid_hash_set') si el CreatePDR?PDI?F-TEID tiene CH=1 y el/los indicador(es) de familia de direcciones F-TEID (IPv4/IPv6) no coinciden con la familia de recursos GTP-U configurada para el DNN (Instancia de Red) seleccionado, lo que resulta en una denegación de servicio.

Information

Published : 2025-12-18 19:16

Updated : 2026-10-13 11:10

NVD link : CVE-2025-65559

Mitre link : CVE-2025-65559

CVE.ORG link : CVE-2025-65559

JSON object : View

Products Affected

open5gs

open5gs

CWE

CWE-617

Reachable Assertion

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