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.

Project Subscriptions

Vendors Products
Open5gs Subscribe
Open5gs Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 06 Jan 2026 20:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:open5gs:open5gs:2.7.5:*:*:*:*:*:*:*

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

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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 : Analyzed

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

Modified: 2026-01-06T20:01:32.433

Link: CVE-2025-65559

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-19T09:18:05Z

Weaknesses