{"id":"EM-20261112-13N2","url":"https://cyber.eventmonitor.net/incident/EM-20261112-13N2/freeradius-vulnerability-cve-2026-127029/","type":"cve","title":"freeradius Vulnerability (CVE-2026-127029)","subtitle":"CVE-2026-127029","subject":"CVE-2026-127029","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-12T17:17:42.970Z","firstSignal":"2026-11-12T12:10:20.000Z","lastSignal":"2026-11-12T17:17:42.970Z","updated":"2026-11-13T00:40:17.050Z","revision":1,"life":[{"status":"Born","at":"2026-11-12T17:17:42.970Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-12T17:17:42.970Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-12T12:10:20.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-12T17:17:42.970Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261112-13N2 created."}],"stages":[{"name":"Disclosed","at":"2026-11-12T17:17:42.970Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-12T17:17:42.970Z","detail":"CVSS 7.5"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-12T12:10:20.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-12T12:10:20.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-127029 (important)","text":"freeradius: Stack-based buffer overflow via unbounded EAP-SIM identity length","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-127029.json"},{"at":"2026-11-12T17:17:42.970Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-127029 (CVSS 7.5)","text":"A flaw was found in freeradius's Extensible Authentication Protocol Method for Subscriber Identity Module (EAP-SIM) module. When handling authentication requests, the server copies a client-supplied identity into an internal structure without properly checking its length against a fixed-size buffer. An unauthenticated remote attacker can exploit this issue by sending specially crafted EAP-SIM messages, triggering a stack buffer overflow that crashes the service and results in a Denial of Service (DoS).","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-127029"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-12T17:17:42.970","score":7.5,"severity":"HIGH","desc":"A flaw was found in freeradius's Extensible Authentication Protocol Method for Subscriber Identity Module (EAP-SIM) module. When handling authentication requests, the server copies a client-supplied identity into an internal structure without properly checking its length against a fixed-size…","product":"","seen":1794514998570},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}