{"id":"CVE-2023-47345","aliases":["EUVD-2023-2897","GHSA-6944-6pmv-6mp2"],"status":"published","title":"free5gc Buffer Overflow vulnerability","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00851,"percentile":0.58514,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2023-11-15T00:00:00Z","modified":"2026-10-28T02:30:25Z","affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/free5gc/free5gc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.3.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/free5gc/free5gc","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"3.3.0"}]}]}],"products":[{"vendor":"free5gc","product":"free5gc"}],"references":[{"url":"https://github.com/free5gc/free5gc/issues/483","tags":["x_transferred","Exploit","Issue Tracking","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47345","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6944-6pmv-6mp2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47345.json","tags":["advisory"]},{"url":"https://github.com/free5gc/free5gc","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-47345","description":"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.","status":"published","published":"2023-11-15T00:00:00Z","modified":"2024-08-29T17:06:37.977Z","updated_at":"2026-11-02T14:35:14.298866Z"}],"euvd":[{"id":"EUVD-2023-2897","description":"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.","status":"published","published":"2023-11-15T00:00:00Z","modified":"2024-08-29T17:06:37Z","updated_at":"2026-11-03T00:56:07.856103Z"}],"ghsa":[{"id":"GHSA-6944-6pmv-6mp2","title":"free5gc Buffer Overflow vulnerability","description":"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.","status":"published","published":"2023-11-16T00:30:55Z","modified":"2023-11-21T19:40:09Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:37:22.840002Z"}],"nvd":[{"id":"CVE-2023-47345","description":"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.","status":"published","published":"2023-11-15T22:15:27.877Z","modified":"2026-06-17T06:32:36.91Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:08:47.966245Z"}],"osv":[{"id":"GHSA-6944-6pmv-6mp2","title":"free5gc Buffer Overflow vulnerability","description":"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.","status":"published","published":"2023-11-16T00:30:55Z","modified":"2023-11-21T19:40:09Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:46:39.618611Z"},{"id":"CVE-2023-47345","description":"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.","status":"published","published":"2023-11-15T00:00:00Z","modified":"2026-10-28T02:30:25.868099628Z","updated_at":"2026-11-02T15:44:34.287121Z"}]}}