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.
History

Fri, 19 Dec 2025 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-617
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 19 Dec 2025 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Open5gs
Open5gs open5gs
Vendors & Products Open5gs
Open5gs open5gs

Thu, 18 Dec 2025 19:00:00 +0000

Type Values Removed Values Added
Description 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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2025-12-18T00:00:00.000Z

Updated: 2025-12-19T18:01:45.486Z

Reserved: 2025-11-18T00:00:00.000Z

Link: CVE-2025-65559

cve-icon Vulnrichment

Updated: 2025-12-19T17:31:53.727Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-18T19:16:33.520

Modified: 2025-12-19T18:15:49.490

Link: CVE-2025-65559

cve-icon Redhat

No data.