{"api_version":"1","generated_at":"2026-04-11T04:55:20+00:00","cve":"CVE-2026-33797","urls":{"html":"https://cve.report/CVE-2026-33797","api":"https://cve.report/api/cve/CVE-2026-33797.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-33797","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-33797"},"summary":{"title":"Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset","description":"An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service (DoS).\n\nAn attacker repeatedly sending the packet will sustain the Denial of Service (DoS).This issue affects Junos OS:\n\n  *  25.2 versions before 25.2R2\n\n\nThis issue doesn't not affected Junos OS versions before 25.2R1.\n\nThis issue affects Junos OS Evolved: \n  *  25.2-EVO versions before 25.2R2-EVO\n\n\nThis issue doesn't not affected Junos OS Evolved versions before 25.2R1-EVO.\n\neBGP and iBGP are affected.\nIPv4 and IPv6 are affected.","state":"PUBLISHED","assigner":"juniper","published_at":"2026-04-09 22:16:29","updated_at":"2026-04-09 22:16:29"},"problem_types":["CWE-20","CWE-20 CWE-20 Improper Input 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