{"id":"CVE-2019-9515","details":"Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.","modified":"2026-07-10T12:01:23.087131527Z","published":"2019-08-13T21:15:12.520Z","related":["ALSA-2019:2925","SUSE-SU-2019:14246-1","SUSE-SU-2019:2254-1","SUSE-SU-2019:2259-1","SUSE-SU-2019:2260-1","SUSE-SU-2020:0059-1","openSUSE-SU-2019:2114-1","openSUSE-SU-2019:2115-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_RANGE","vendor_product":"f5:big-ip_local_traffic_manager","cpes":["cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"11.6.1"},{"fixed":"11.6.5.1"},{"introduced":"12.1.0"},{"fixed":"12.1.5.1"},{"introduced":"13.1.0"},{"fixed":"13.1.3.2"},{"introduced":"14.0.0"},{"fixed":"14.0.1.1"},{"introduced":"14.1.0"},{"fixed":"14.1.2.1"},{"introduced":"15.0.0"},{"fixed":"15.0.1.1"}]},{"source":"CPE_RANGE","vendor_product":"mcafee:web_gateway","cpes":["cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.7.2.0"},{"fixed":"7.7.2.24"},{"introduced":"7.8.2.0"},{"fixed":"7.8.2.13"},{"introduced":"8.1.0"},{"fixed":"8.2.0"}]},{"cpes":["cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*","cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*"],"extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.8.1"},{"introduced":"8.9.0"},{"fixed":"8.16.1"},{"introduced":"10.0.0"},{"last_affected":"10.12.0"},{"introduced":"10.13.0"},{"fixed":"10.16.3"},{"introduced":"12.0.0"},{"fixed":"12.8.1"}],"source":"CPE_RANGE","vendor_product":"nodejs:node.js"},{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"19.04"},{"last_affected":"19.04"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux"},{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"29"},{"last_affected":"29"},{"introduced":"30"},{"last_affected":"30"}]},{"cpes":["cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0"},{"last_affected":"15.0"},{"introduced":"15.1"},{"last_affected":"15.1"}],"source":"CPE_STRING","vendor_product":"opensuse:leap"},{"cpes":["cpe:2.3:a:oracle:graalvm:19.2.0:*:*:*:enterprise:*:*:*"],"extracted_events":[{"introduced":"19.2.0"},{"last_affected":"19.2.0"}],"source":"CPE_STRING","vendor_product":"oracle:graalvm"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux"},{"cpes":["cpe:2.3:a:redhat:jboss_core_services:1.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.0"},{"last_affected":"1.0"}],"source":"CPE_STRING","vendor_product":"redhat:jboss_core_services"},{"extracted_events":[{"introduced":"7.2.0"},{"last_affected":"7.2.0"},{"introduced":"7.3.0"},{"last_affected":"7.3.0"}],"source":"CPE_STRING","vendor_product":"redhat:jboss_enterprise_application_platform","cpes":["cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2.0:*:*:*:*:*:*:*","cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3.0:*:*:*:*:*:*:*"]},{"extracted_events":[{"introduced":"4.1"},{"last_affected":"4.1"}],"source":"CPE_STRING","vendor_product":"redhat:openshift_container_platform","cpes":["cpe:2.3:a:redhat:openshift_container_platform:4.1:*:*:*:*:*:*:*"]},{"cpes":["cpe:2.3:a:redhat:openshift_service_mesh:1.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.0"},{"last_affected":"1.0"}],"source":"CPE_STRING","vendor_product":"redhat:openshift_service_mesh"},{"source":"CPE_STRING","vendor_product":"redhat:openstack","cpes":["cpe:2.3:a:redhat:openstack:14:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"14"},{"last_affected":"14"}]},{"extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.0.0"}],"source":"CPE_STRING","vendor_product":"redhat:quay","cpes":["cpe:2.3:a:redhat:quay:3.0.0:*:*:*:*:*:*:*"]},{"source":"CPE_STRING","vendor_product":"redhat:single_sign-on","cpes":["cpe:2.3:a:redhat:single_sign-on:7.3:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.3"},{"last_affected":"7.3"}]},{"vendor_product":"redhat:software_collections","cpes":["cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.0"},{"last_affected":"1.0"}],"source":"CPE_STRING"},{"source":"CPE_STRING","vendor_product":"synology:diskstation_manager","cpes":["cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced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core":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}