{"id":"CVE-2025-70122","details":"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.","modified":"2026-04-10T05:35:25.624905Z","published":"2026-02-13T17:16:12.090Z","references":[{"type":"REPORT","url":"https://github.com/free5gc/free5gc/issues/746"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/free5gc/free5gc","events":[{"introduced":"0"},{"last_affected":"228ac5f7b8b0c3d160bccb3470901b3e87e756c9"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.0.1"}]}}],"versions":["v3.0.5","v3.0.6","v3.0.7","v3.1.0","v3.1.1","v3.2.0","v3.2.1","v3.3.0","v3.4.0","v3.4.1","v3.4.2","v3.4.3","v3.4.4","v3.4.5","v4.0.0","v4.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-70122.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}