{"id":"EM-20261111-Y543","url":"https://cyber.eventmonitor.net/incident/EM-20261111-Y543/busybox-vulnerability-cve-2026-124741/","type":"cve","title":"BusyBox Vulnerability (CVE-2026-124741)","subtitle":"CVE-2026-124741","subject":"CVE-2026-124741","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-11T11:17:17.233Z","firstSignal":"2026-11-11T09:15:15.000Z","lastSignal":"2026-11-11T11:17:17.233Z","updated":"2026-11-11T12:38:43.721Z","revision":1,"life":[{"status":"Born","at":"2026-11-11T11:17:17.233Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-11T11:17:17.233Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-11T09:15:15.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-11T11:17:17.233Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261111-Y543 created."}],"stages":[{"name":"Disclosed","at":"2026-11-11T11:17:17.233Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-11T11:17:17.233Z","detail":"CVSS 7.6"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-11T09:15:15.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-11T09:15:15.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-124741 (important)","text":"busybox: Stack buffer overflow in udhcpc6 send_d6_renew() and send_d6_release()","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-124741.json"},{"at":"2026-11-11T11:17:17.233Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-124741 (CVSS 7.6)","text":"A flaw was found in BusyBox. The udhcpc6 DHCPv6 client does not properly validate the size of network options sent by a server before copying them into memory. A malicious DHCPv6 server on the local network can exploit this flaw by sending a crafted reply, triggering a stack-based buffer overflow. This vulnerability could allow an attacker to achieve arbitrary code execution with root privileges or cause a denial of service (DoS) crash.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124741"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-11T11:17:17.233","score":7.6,"severity":"HIGH","desc":"A flaw was found in BusyBox. The udhcpc6 DHCPv6 client does not properly validate the size of network options sent by a server before copying them into memory. A malicious DHCPv6 server on the local network can exploit this flaw by sending a crafted reply, triggering a stack-based buffer overflow…","product":"","seen":1794400723721},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}