April 14, 2021


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CVE-2021-22999 (big-ip_access_policy_manager, big-ip_advanced_firewall_manager, big-ip_advanced_web_application_firewall, big-ip_analytics, big-ip_application_acceleration_manager, big-ip_application_security_manager, big-ip_ddos_hybrid_defender, big-ip_domain_name_system, big-ip_fraud_protection_service, big-ip_global_traffic_manager, big-ip_link_controller, big-ip_local_traffic_manager, big-ip_policy_enforcement_manager, ssl_orchestrator)

On versions 15.0.x before 15.1.0 and 14.1.x before 14.1.4, the BIG-IP system provides an option to connect HTTP/2 clients to HTTP/1.x servers. When a client is slow to accept responses and it closes a connection prematurely, the BIG-IP system may indefinitely retain some streams unclosed. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.