{"cve":"CVE-2023-47345","nvd":{"published":"2023-11-15T22:15:27.877","modified":"2026-06-17T06:32:36.910","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-120"],"references":["https://github.com/free5gc/free5gc/issues/483","https://github.com/free5gc/free5gc/issues/483"],"products":["free5gc:free5gc"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2023-47345","score":0.00851,"percentile":0.58218,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6944-6pmv-6mp2","url":"https://osv.dev/vulnerability/GHSA-6944-6pmv-6mp2","summary":"free5gc Buffer Overflow vulnerability","modified":"2023-11-21T19:40:09Z","packages":[{"ecosystem":"Go","name":"github.com/free5gc/free5gc","purl":"pkg:golang/github.com/free5gc/free5gc","ranges":["<=3.3.0"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}