{"cve":"CVE-2018-17189","nvd":{"published":"2019-01-30T22:29:00.357","modified":"2026-06-17T01:45:30.177","status":"Modified","description":"In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 (mod_http2) connections.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-400"],"references":["http://www.securityfocus.com/bid/106685","https://access.redhat.com/errata/RHSA-2019:3932","https://access.redhat.com/errata/RHSA-2019:3933","https://access.redhat.com/errata/RHSA-2019:3935","https://access.redhat.com/errata/RHSA-2019:4126"],"products":["apache:http_server","canonical:ubuntu_linux","debian:debian_linux","fedoraproject:fedora","netapp:santricity_cloud_connector","netapp:storage_automation_store","oracle:enterprise_manager_ops_center","oracle:hospitality_guest_access","oracle:instantis_enterprisetrack","oracle:retail_xstore_point_of_service","oracle:sun_zfs_storage_appliance_kit","redhat:jboss_core_services"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2018-17189","score":0.20071,"percentile":0.97447,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}