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This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.1R1-EVO."}, {"lang": "es", "value": "Una vulnerabilidad de comprobaci\u00f3n inapropiada de condiciones inusuales o excepcionales en Packet Forwarding Engine (PFE) de Juniper Networks Junos OS Evolved on ACX7000 Series permite a un atacante no autenticado basado en la red causar una Denegaci\u00f3n de Servicio (DoS) parcial. Al recibir un tr\u00e1fico de tr\u00e1nsito IPv6 espec\u00edfico, Junos OS Evolved en ACX7100-48L, ACX7100-32C y ACX7509 env\u00eda este tr\u00e1fico al motor de enrutamiento (RE) en lugar de reenviarlo, conllevando a un aumento del uso de la CPU del RE y una denegaci\u00f3n de servicio parcial. Este problema s\u00f3lo afecta a sistemas configurados con IPv6. Este problema no afecta al ACX7024, que es admitido a partir de la versi\u00f3n 22.3R1-EVO, en la que ya ha sido incorporado la correcci\u00f3n como es indicado en la secci\u00f3n de soluciones. Este problema afecta a Juniper Networks Junos OS Evolved en ACX7100-48L, ACX7100-32C, ACX7509: versiones 21.1-EVO anteriores a 21.1R3-S2-EVO; versiones 21.2-EVO anteriores a 21.2R3-S2-EVO; versiones 21.3-EVO anteriores a 21.3R3-EVO; versiones 21.4-EVO anteriores a 21.4R1-S1-EVO, 21.4R2-EVO. 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