CVE-2025-65567

A denial-of-service vulnerability exists in the omec-project UPF (pfcpiface component) in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a specially crafted PFCP Session Establishment Request with a CreatePDR that contains a malformed Flow-Description is not robustly validated. The Flow-Description parser (parseFlowDesc) can read beyond the bounds of the provided buffer, causing a panic and terminating the UPF process. An attacker who can send PFCP Session Establishment Request messages to the UPF's N4/PFCP endpoint can exploit this issue to repeatedly crash the UPF.

• CWE-125

• https://github.com/omec-project/upf/issues/959Exploit, Issue Tracking, Third Party Advisory
• https://github.com/omec-project/upf/issues/959Exploit, Issue Tracking, Third Party Advisory

Published

Dec 18, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

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