{"id":"CVE-2026-1973","details":"A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. It is best practice to apply a patch to resolve this issue.","modified":"2026-04-10T05:38:10.507567Z","published":"2026-02-06T02:16:05.620Z","references":[{"type":"WEB","url":"https://github.com/free5gc/free5gc/"},{"type":"ADVISORY","url":"https://vuldb.com/?id.344495"},{"type":"REPORT","url":"https://github.com/free5gc/free5gc/issues/815"},{"type":"REPORT","url":"https://github.com/free5gc/free5gc/issues/815#issue-3832032062"},{"type":"REPORT","url":"https://github.com/free5gc/smf/pull/189"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.344495"},{"type":"EVIDENCE","url":"https://vuldb.com/?submit.743236"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/free5gc/free5gc","events":[{"introduced":"0"},{"last_affected":"de6bdb7a0d5963266c893cca59c86f55df348f57"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.1.0"}]}}],"versions":["v3.0.5","v3.0.6","v3.0.7","v3.1.0","v3.1.1","v3.2.0","v3.2.1","v3.3.0","v3.4.0","v3.4.1","v3.4.2","v3.4.3","v3.4.4","v3.4.5","v4.0.0","v4.0.1","v4.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1973.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}