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.
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

06 Jan 2026, 20:01

Type Values Removed Values Added
References () https://github.com/open5gs/open5gs/issues/4135 - () https://github.com/open5gs/open5gs/issues/4135 - Exploit, Issue Tracking, Vendor Advisory
CPE cpe:2.3:a:open5gs:open5gs:2.7.5:*:*:*:*:*:*:*
First Time Open5gs open5gs
Open5gs

19 Dec 2025, 18:15

Type Values Removed Values Added
References () https://github.com/open5gs/open5gs/issues/4135 - () https://github.com/open5gs/open5gs/issues/4135 -
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.5
CWE CWE-617

18 Dec 2025, 19:16

Type Values Removed Values Added
New CVE

Information

Published : 2025-12-18 19:16

Updated : 2026-01-06 20:01


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