CVE-2025-65559 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Open5Gs	Open5Gs	2.7.5

Related Weaknesses (CWE)

CWE-617

References

https://github.com/open5gs/open5gs/issues/4135ExploitIssue TrackingVendor Advisory
https://github.com/open5gs/open5gs/issues/4135ExploitIssue TrackingVendor Advisory

FAQ

What is CVE-2025-65559?

CVE-2025-65559 is a vulnerability with a CVSS score of 7.5 (HIGH). 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_obje...

How severe is CVE-2025-65559?

CVE-2025-65559 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-65559?

Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.