CVSS 3.0
5.9 mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2018-11763
In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.
Severity
- EPSS
- 51% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- apache:http_server
- canonical:ubuntu_linux
- netapp:storage_automation_store
- oracle:enterprise_manager_ops_center
- oracle:hospitality_guest_access
- oracle:instantis_enterprisetrack
- oracle:retail_xstore_point_of_service
- oracle:secure_global_desktop
- redhat:enterprise_linux