{"api_version":"1","generated_at":"2026-07-12T16:51:44+00:00","cve":"CVE-2026-57027","urls":{"html":"https://cve.report/CVE-2026-57027","api":"https://cve.report/api/cve/CVE-2026-57027.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-57027","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-57027"},"summary":{"title":"Junos OS: EX4100 Series, EX4400: With sFlow configured in a VC scenario multicast traffic leads to an FPC crash","description":"A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on specific EX Series devices allows an unauthenticated adjacent attacker to cause a Denial-of-Service (DoS).When sFlow is configured in a Virtual Chassis (VC) scenario with EX4100 Series or EX4400 Series devices, multicast traffic which is received on one VC member and sent out on another member leads to a memory leak and ultimately an FPC crash and restart.\n\nThe leak can 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