{
  "threat_severity" : "Moderate",
  "public_date" : "2020-08-07T00:00:00Z",
  "bugzilla" : {
    "description" : "httpd: mod_http2 concurrent pool usage",
    "id" : "1866564",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1866564"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-400",
  "details" : [ "Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above \"info\" will mitigate this vulnerability for unpatched servers.", "A flaw was found in Apache httpd in versions 2.4.20 to 2.4.43. Logging using the wrong pool by mod_http2 at debug/trace log level may lead to potential crashes and denial of service. The highest threat from this vulnerability is to system availability." ],
  "statement" : "Red Hat Enterprise Linux 5, 6, and 7 do not ship the vulnerable version of httpd and, thus, are not affected.",
  "acknowledgement" : "Red Hat would like to thank the Apache project for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-apr-0:1.6.3-104.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-apr-util-0:1.6.1-75.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-brotli-0:1.0.6-38.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-curl-0:7.64.1-44.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-httpd-0:2.4.37-64.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-jansson-0:2.11-53.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-mod_cluster-native-0:1.3.14-11.Final_redhat_2.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-mod_http2-0:1.15.7-11.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-mod_jk-0:1.2.48-10.redhat_1.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-mod_md-1:2.0.8-30.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-mod_security-0:2.9.2-57.GA.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-nghttp2-0:1.39.2-34.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 6",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el6",
    "package" : "jbcs-httpd24-openssl-1:1.1.1c-32.jbcs.el6"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-apr-0:1.6.3-104.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-apr-util-0:1.6.1-75.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-brotli-0:1.0.6-38.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-curl-0:7.64.1-44.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-httpd-0:2.4.37-64.jbcs.el7"
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    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-jansson-0:2.11-53.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-mod_cluster-native-0:1.3.14-11.Final_redhat_2.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-mod_http2-0:1.15.7-11.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-mod_jk-0:1.2.48-10.redhat_1.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-mod_md-1:2.0.8-30.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-mod_security-0:2.9.2-57.GA.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-nghttp2-0:1.39.2-34.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-openssl-1:1.1.1c-32.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4384",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-openssl-chil-0:1.0.0-1.jbcs.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2021-05-18T00:00:00Z",
    "advisory" : "RHSA-2021:1809",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "httpd:2.4-8040020210127115317.9f9e2e7e"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2020-12-01T00:00:00Z",
    "advisory" : "RHBA-2020:5280",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-httpd-0:2.4.34-22.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2020-12-01T00:00:00Z",
    "advisory" : "RHBA-2020:5280",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-httpd-0:2.4.34-22.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2020-12-01T00:00:00Z",
    "advisory" : "RHBA-2020:5280",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "httpd24-httpd-0:2.4.34-22.el7"
  }, {
    "product_name" : "Text-Only JBCS",
    "release_date" : "2020-10-28T00:00:00Z",
    "advisory" : "RHSA-2020:4383",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1",
    "package" : "httpd"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "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 JBoss Enterprise Web Server 2",
    "fix_state" : "Out of support scope",
    "package_name" : "httpd",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_web_server:2"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2020-11993\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-11993\nhttps://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11993" ],
  "name" : "CVE-2020-11993",
  "csaw" : false
}