{"id":"EM-20261109-WKHF","url":"https://cyber.eventmonitor.net/incident/EM-20261109-WKHF/mit-kerberos-vulnerability-cve-2026-112320/","type":"cve","title":"MIT Kerberos Vulnerability (CVE-2026-112320)","subtitle":"CVE-2026-112320","subject":"CVE-2026-112320","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-09T19:16:40.887Z","firstSignal":"2026-11-09T15:00:00.000Z","lastSignal":"2026-11-09T19:16:40.887Z","updated":"2026-11-10T00:12:43.433Z","revision":1,"life":[{"status":"Born","at":"2026-11-09T19:16:40.887Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-09T19:16:40.887Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-09T15:00:00.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-09T19:16:40.887Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261109-WKHF created."}],"stages":[{"name":"Disclosed","at":"2026-11-09T19:16:40.887Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-09T19:16:40.887Z","detail":"CVSS 7.5"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-09T15:00:00.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-09T15:00:00.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-112320 (important)","text":"krb5: MIT krb5 kadmind unauthenticated memory leak DoS via GSS-RPC auth flavor switching","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-112320.json"},{"at":"2026-11-09T19:16:40.887Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-112320 (CVSS 7.5)","text":"The GSS-RPC transport layer in MIT Kerberos 5 (aka krb5) 1.4 and later does not release the previous authentication context when a client switches from an RPCSEC_GSS or AUTH_GSSAPI flavor to a non-GSS flavor on the same TCP connection. This allows remote attackers to cause a denial of service (memory exhaustion in kadmind) by repeatedly establishing and abandoning GSS authentication contexts.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112320"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-09T19:16:40.887","score":7.5,"severity":"HIGH","desc":"The GSS-RPC transport layer in MIT Kerberos 5 (aka krb5) 1.4 and later does not release the previous authentication context when a client switches from an RPCSEC_GSS or AUTH_GSSAPI flavor to a non-GSS flavor on the same TCP connection. This allows remote attackers to cause a denial of service…","product":"","seen":1794262241103},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}