{
  "threat_severity" : "Moderate",
  "public_date" : "2018-09-25T00:00:00Z",
  "bugzilla" : {
    "description" : "httpd: DoS for HTTP/2 connections by continuous SETTINGS frames",
    "id" : "1633399",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1633399"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-20",
  "details" : [ "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." ],
  "affected_release" : [ {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-0:1-6.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-apache-commons-daemon-jsvc-1:1.1.0-3.redhat_2.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-apr-0:1.6.3-31.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-apr-util-0:1.6.1-24.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-httpd-0:2.4.29-35.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-mod_cluster-native-0:1.3.8-3.Final_redhat_2.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-mod_jk-0:1.2.46-1.redhat_1.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-nghttp2-0:1.29.0-9.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-openssl-1:1.0.2n-14.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-0:1-6.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-apache-commons-daemon-jsvc-1:1.1.0-3.redhat_2.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-apr-0:1.6.3-31.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-apr-util-0:1.6.1-24.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-httpd-0:2.4.29-35.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-mod_cluster-native-0:1.3.8-3.Final_redhat_2.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-mod_jk-0:1.2.46-1.redhat_1.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-nghttp2-0:1.29.0-9.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0367",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-openssl-1:1.0.2n-14.jbcs.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 6",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el6",
    "package" : "httpd24-curl-0:7.61.1-1.el6"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 6",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el6",
    "package" : "httpd24-httpd-0:2.4.34-7.el6"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 6",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el6",
    "package" : "httpd24-nghttp2-0:1.7.1-7.el6"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-curl-0:7.61.1-1.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-httpd-0:2.4.34-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-nghttp2-0:1.7.1-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-curl-0:7.61.1-1.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-httpd-0:2.4.34-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-nghttp2-0:1.7.1-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-curl-0:7.61.1-1.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-httpd-0:2.4.34-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-nghttp2-0:1.7.1-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-curl-0:7.61.1-1.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-httpd-0:2.4.34-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2018-11-13T00:00:00Z",
    "advisory" : "RHSA-2018:3558",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-nghttp2-0:1.7.1-7.el7"
  }, {
    "product_name" : "Text-Only JBCS",
    "release_date" : "2019-02-18T00:00:00Z",
    "advisory" : "RHSA-2019:0366",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1",
    "package" : "httpd"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "mod_http2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat JBoss Enterprise Application Platform 5",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_application_platform:5"
  }, {
    "product_name" : "Red Hat JBoss Enterprise Application Platform 6",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_application_platform:6"
  }, {
    "product_name" : "Red Hat JBoss Enterprise Web Server 2",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_web_server:2"
  }, {
    "product_name" : "Red Hat JBoss Web Server 3",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_web_server:3"
  }, {
    "product_name" : "Red Hat Mobile Application Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "httpd",
    "cpe" : "cpe:/a:redhat:mobile_application_platform:4"
  }, {
    "product_name" : "Red Hat Virtualization 4",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2018-11763\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-11763" ],
  "name" : "CVE-2018-11763",
  "csaw" : false
}