{"id":"EM-20261105-QRP2","url":"https://cyber.eventmonitor.net/incident/EM-20261105-QRP2/vrpn-vulnerability-cve-2026-123200/","type":"cve","title":"VRPN Vulnerability (CVE-2026-123200)","subtitle":"CVE-2026-123200","subject":"CVE-2026-123200","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T19:17:18.953Z","firstSignal":"2026-11-05T18:16:37.000Z","lastSignal":"2026-11-05T19:17:18.953Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T19:17:18.953Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T19:17:18.953Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T18:16:37.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T19:17:18.953Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-QRP2 created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T19:17:18.953Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T19:17:18.953Z","detail":"CVSS 8.7"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T18:16:37.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T18:16:37.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-123200 (important)","text":"vrpn: vrpn: Denial of Service via out-of-bounds stack write","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-123200.json"},{"at":"2026-11-05T19:17:18.953Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-123200 (CVSS 8.7)","text":"VRPN through 07.36 contains an out-of-bounds stack write vulnerability in vrpn_Endpoint::handle_sender_message() and handle_type_message() that allows unauthenticated remote peers to write outside a stack buffer via an unchecked length index. Attackers can connect, complete the version-cookie exchange, and send a SENDER_DESCRIPTION or TYPE_DESCRIPTION message with an out-of-range or negative index to crash the process.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123200"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T19:17:18.953","score":8.7,"severity":"HIGH","desc":"VRPN through 07.36 contains an out-of-bounds stack write vulnerability in vrpn_Endpoint::handle_sender_message() and handle_type_message() that allows unauthenticated remote peers to write outside a stack buffer via an unchecked length index. Attackers can connect, complete the version-cookie…","product":"","seen":1793917591435},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}