{"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":"2026-09-04T03:30:34.228822674Z","published":"2026-02-13T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/70xxx/CVE-2025-70122.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/70xxx/CVE-2025-70122.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-70122"},{"type":"REPORT","url":"https://github.com/free5gc/free5gc/issues/746"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/free5gc/free5gc","events":[{"introduced":"228ac5f7b8b0c3d160bccb3470901b3e87e756c9"},{"last_affected":"228ac5f7b8b0c3d160bccb3470901b3e87e756c9"}],"database_specific":{"cpe":"cpe:2.3:a:free5gc:free5gc:4.0.1:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.0.1"},{"last_affected":"4.0.1"}],"source":"CPE_STRING"}}],"versions":["4.0.1","v4.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-70122.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}