{"id":"EM-20261105-8UD8","url":"https://cyber.eventmonitor.net/incident/EM-20261105-8UD8/gdb-vulnerability-cve-2026-121995/","type":"cve","title":"GDB Vulnerability (CVE-2026-121995)","subtitle":"CVE-2026-121995","subject":"CVE-2026-121995","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T17:18:00.690Z","firstSignal":"2026-11-05T14:29:41.000Z","lastSignal":"2026-11-05T17:18:00.690Z","updated":"2026-11-06T00:58:29.349Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T17:18:00.690Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T17:18:00.690Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T14:29:41.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T17:18:00.690Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-8UD8 created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T17:18:00.690Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T17:18:00.690Z","detail":"CVSS 7.5"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T14:29:41.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T14:29:41.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-121995 (important)","text":"gdb: gdb: stack buffer overflow in parse_tracepoint_definition via stale rs->buf tail","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-121995.json"},{"at":"2026-11-05T17:18:00.690Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-121995 (CVSS 7.5)","text":"A stack buffer overflow in the GDB client's tracepoint upload handler allows an attacker-controlled debug stub to corrupt stack memory automatically during connection setup. The overflow results from GDB reading beyond the current reply boundary into a stale prior reply in the shared packet buffer.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121995"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T17:18:00.690","score":7.5,"severity":"HIGH","desc":"A stack buffer overflow in the GDB client's tracepoint upload handler allows an attacker-controlled debug stub to corrupt stack memory automatically during connection setup. The overflow results from GDB reading beyond the current reply boundary into a stale prior reply in the shared packet buffer.","product":"","seen":1793909142558},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}