CVEvulnerability

CVE-2025-70122

7.5 HIGH Published 2026-02-13 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-02-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-122

Description

A heap buffer overflow vulnerability in the UPF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted PFCP Session Modification Request. The issue occurs in the SDFFilterFields.UnmarshalBinary function (sdf-filter.go) when processing a declared length that exceeds the actual buffer capacity, leading to a runtime panic and UPF crash.

Affected configurations

• free5gc free5gc 4.0.1

Related

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References