{"id":"CVE-2023-47345","aliases":["GHSA-6944-6pmv-6mp2"],"url":"https://o3.security/vulnerability/CVE-2023-47345","summary":"free5gc Buffer Overflow vulnerability","details":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP message with malformed PFCP Heartbeat message whose Recovery Time Stamp IE length is mutated to zero.","published":"2023-11-15T00:00:00Z","modified":"2026-09-04T03:30:39.245424168Z","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":{"score":0.00851,"percentile":0.56409,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Go","name":"github.com/free5gc/free5gc","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47345.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47345"},{"type":"REPORT","url":"https://github.com/free5gc/free5gc/issues/483"},{"type":"PACKAGE","url":"https://github.com/free5gc/free5gc"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-04T03:30:39.245424168Z"}}