{
  "cveId": "CVE-2019-9517",
  "url": "https://patchblox.com/security/cve/CVE-2019-9517",
  "summary": "CVE-2019-9517 is fixed in 23 products on 1 platform, first by apache2 2.4.29-1ubuntu4.10, released August 14, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "mod_session: The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es...",
  "description": "The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* HTTP/2: request for large response leads to denial of service (CVE-2019-9517)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2019-08-12T17:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "epss": 0.27004,
  "epssPercentile": 0.98054,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "apache2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.10",
      "fix": "apache2 2.4.29-1ubuntu4.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-2.4.29-1ubuntu4.10",
      "released": "2019-08-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-bin",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.10",
      "fix": "apache2-bin 2.4.29-1ubuntu4.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-bin-2.4.29-1ubuntu4.10",
      "released": "2019-08-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-data",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.10",
      "fix": "apache2-data 2.4.29-1ubuntu4.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-data-2.4.29-1ubuntu4.10",
      "released": "2019-08-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-suexec-custom",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.10",
      "fix": "apache2-suexec-custom 2.4.29-1ubuntu4.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-suexec-custom-2.4.29-1ubuntu4.10",
      "released": "2019-08-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-suexec-pristine",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.10",
      "fix": "apache2-suexec-pristine 2.4.29-1ubuntu4.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-suexec-pristine-2.4.29-1ubuntu4.10",
      "released": "2019-08-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.10",
      "fix": "apache2-utils 2.4.29-1ubuntu4.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-utils-2.4.29-1ubuntu4.10",
      "released": "2019-08-14T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "httpd",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.37-12.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "httpd",
      "release": "ol 8",
      "fixedVersion": "0:2.4.37-12.0.1.module\u002Bel8.0.0\u002B5348\u002Bde75177e",
      "fix": "ELSA-2019-2893",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "httpd-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.37-12.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
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    {
      "platform": "linux",
      "product": "httpd-devel",
      "release": "ol 8",
      "fixedVersion": "0:2.4.37-12.0.1.module\u002Bel8.0.0\u002B5348\u002Bde75177e",
      "fix": "ELSA-2019-2893",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "httpd-filesystem",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.37-12.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
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    {
      "platform": "linux",
      "product": "httpd-filesystem",
      "release": "ol 8",
      "fixedVersion": "0:2.4.37-12.0.1.module\u002Bel8.0.0\u002B5348\u002Bde75177e",
      "fix": "ELSA-2019-2893",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "httpd-manual",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.37-12.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
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      "released": "2019-09-24T00:00:00Z"
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    {
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      "fixedVersion": "0:2.4.37-12.0.1.module\u002Bel8.0.0\u002B5348\u002Bde75177e",
      "fix": "ELSA-2019-2893",
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      "released": "2019-09-24T00:00:00Z"
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    {
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      "product": "httpd-tools",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.37-12.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
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      "fixedVersion": "0:2.4.37-12.0.1.module\u002Bel8.0.0\u002B5348\u002Bde75177e",
      "fix": "ELSA-2019-2893",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
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    {
      "platform": "linux",
      "product": "mod_http2",
      "release": "RHEL 8",
      "fixedVersion": "0:1.11.3-3.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
    },
    {
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      "product": "mod_http2",
      "release": "ol 8",
      "fixedVersion": "0:1.11.3-3.module\u002Bel8.0.0\u002B5348\u002Bde75177e",
      "fix": "ELSA-2019-2893",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "mod_ldap",
      "release": "RHEL 8",
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      "released": "2019-09-24T00:00:00Z"
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      "fix": "ELSA-2019-2893",
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      "released": "2019-09-24T00:00:00Z"
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    {
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      "fixedVersion": "1:2.4.37-12.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
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    {
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      "fixedVersion": "1:2.4.37-12.0.1.module\u002Bel8.0.0\u002B5348\u002Bde75177e",
      "fix": "ELSA-2019-2893",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
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    {
      "platform": "linux",
      "product": "mod_session",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.37-12.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
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    {
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      "fixedVersion": "0:2.4.37-12.0.1.module\u002Bel8.0.0\u002B5348\u002Bde75177e",
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      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2893",
      "released": "2019-09-24T00:00:00Z"
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    {
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      "release": "RHEL 8",
      "fixedVersion": "1:2.4.37-12.module\u002Bel8.0.0\u002B4096\u002Beb40e6da",
      "fix": "RHSA-2019:2893",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2893",
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    {
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      "fix": "RHSA-2019:2925",
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      "fix": "ELSA-2019-2925",
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      "released": "2019-09-30T00:00:00Z"
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      "fix": "ELSA-2019-2925",
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      "released": "2019-09-30T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}