Threats Tagged 'cve-2026-57020'
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Threats Tagged 'cve-2026-57020'
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CVE-2026-57020: CWE-754 Improper Check for Unusual or Exceptional Conditions in Juniper Networks Junos OSCVE-2026-57020 0 CVE-2026-57020 is a vulnerability in Juniper Networks Junos OS on QFX10000 Series devices that allows an unauthenticated, adjacent attacker to cause a denial-of-service (DoS) condition. The issue occurs in EVPN-VxLAN scenarios when IPv6 multicast traffic reaches a non-IRB interface on a spine switch, causing packet flooding in an endless loop. This flooding saturates network links and disrupts legitimate traffic. The vulnerability affects all Junos OS versions before 23.2R2-S7, 23.4 versions before 23.4R2-S8, 24.2 versions before 24.2R2-S4, and 24.4 versions before 24.4R2-S4 on QFX10000 Series. Versions after 24.4 are not affected as QFX10000 support was dropped. Join the discussion | CVE Database V5 | 07/09/2026, 21:05:07 UTC Added: 07/09/2026, 21:48:04 UTC |
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