{"metadata": {"vulnerability": "usn-4478-2", "count": 4, "kinds": {"milestone": 2, "sighting": 0, "kev": 0, "other": 2}}, "data": [{"timestamp": "2020-06-01T19:15:00Z", "date_only": false, "value": "2020-06-01T19:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2020-13757", "record": "UBUNTU-CVE-2020-13757", "field": "published"}, {"timestamp": "2022-02-21T17:25:41Z", "date_only": false, "value": "2022-02-21T17:25:41Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu", "record": "usn-4478-2", "field": "published"}, {"timestamp": "2025-10-07T04:47:28Z", "date_only": false, "value": "2025-10-07T04:47:28Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2020-13757", "record": "UBUNTU-CVE-2020-13757", "field": "modified"}, {"timestamp": "2026-06-25T10:45:56Z", "date_only": false, "value": "2026-06-25T10:45:56Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu", "record": "usn-4478-2", "field": "modified"}]}