{"id":"CVE-2023-47347","aliases":["EUVD-2023-51465","GHSA-ggpj-rxm8-6gjv"],"status":"published","title":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via...","description":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.","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":"2026-11-09","score":0.00742,"percentile":0.54941,"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":"2026-10-28T02:31:01Z","products":[{"vendor":"free5gc","product":"free5gc"}],"references":[{"url":"https://github.com/free5gc/free5gc/issues/496","tags":["x_transferred","Exploit","Issue Tracking","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47347","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-ggpj-rxm8-6gjv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47347.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-47347","description":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.","status":"published","published":"2023-11-15T00:00:00Z","modified":"2024-08-29T15:29:50.997Z","updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-51465","description":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.","status":"published","published":"2023-11-15T00:00:00Z","modified":"2024-08-29T15:29:50Z","updated_at":"2026-11-03T00:56:07.856103Z"}],"ghsa":[{"id":"GHSA-ggpj-rxm8-6gjv","title":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via...","description":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.","status":"published","published":"2023-11-16T00:30:55Z","modified":"2023-11-29T05:05:41Z","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":"2026-11-02T14:55:07.446793Z"}],"nvd":[{"id":"CVE-2023-47347","description":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.","status":"published","published":"2023-11-15T22:15:27.93Z","modified":"2026-06-17T06:32:37.19Z","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":"CVE-2023-47347","description":"Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.","status":"published","published":"2023-11-15T00:00:00Z","modified":"2026-10-28T02:31:01.717550327Z","updated_at":"2026-11-02T15:44:34.287121Z"}]}}