{"id":"CVE-2026-75439","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-75439","summary":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","details":"An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component","published":"2026-09-04T21:17:25.583","modified":"2026-09-14T14:17:09.723","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf/pull/97","label":"free5gc/go-upf#97"},"references":[{"type":"WEB","url":"https://gist.github.com/hackeryounow/0f434c03008462e6eec3b43ed3cd12d8"},{"type":"WEB","url":"https://github.com/free5gc/free5gc/issues/1059"},{"type":"WEB","url":"https://github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf/pull/97"},{"type":"WEB","url":"https://github.com/free5gc/go-upf/pull/97"},{"type":"WEB","url":"https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75439"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-14T14:17:09.723"}}