Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.
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History
07 Nov 2023, 03:13
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Information
Published : 2019-08-13 21:15
Updated : 2024-02-28 17:08
NVD link : CVE-2019-9517
Mitre link : CVE-2019-9517
CVE.ORG link : CVE-2019-9517
JSON object : View
Products Affected
synology
- diskstation_manager
- vs960hd_firmware
- skynas
- vs960hd
fedoraproject
- fedora
oracle
- communications_element_manager
- graalvm
- instantis_enterprisetrack
- retail_xstore_point_of_service
apple
- mac_os_x
- swiftnio
redhat
- jboss_enterprise_application_platform
- jboss_core_services
- enterprise_linux
- openshift_service_mesh
- software_collections
- quay
apache
- http_server
- traffic_server
canonical
- ubuntu_linux
opensuse
- leap
debian
- debian_linux
nodejs
- node.js
netapp
- clustered_data_ontap
mcafee
- web_gateway