{
  "cveId": "CVE-2018-16843",
  "url": "https://patchblox.com/security/cve/CVE-2018-16843",
  "summary": "CVE-2018-16843 is fixed in 25 products on 1 platform, first by libnginx-mod-http-auth-pam 1.14.0-0ubuntu1.2, released November 5, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libnginx-mod-http-auth-pam: nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excess...",
  "description": "nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the \u0027http2\u0027 option of the \u0027listen\u0027 directive is used in a configuration file.",
  "published": "2018-11-05T16:00:00Z",
  "severity": "Medium",
  "epss": 0.47985,
  "epssPercentile": 0.98862,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libnginx-mod-http-auth-pam",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-auth-pam 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-auth-pam-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-cache-purge",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-cache-purge 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-cache-purge-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-dav-ext",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-dav-ext 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-dav-ext-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-echo",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-echo 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-echo-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-fancyindex",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-fancyindex 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-fancyindex-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-geoip",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-geoip 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-geoip-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-headers-more-filter",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-headers-more-filter 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-headers-more-filter-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-image-filter",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-image-filter 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-image-filter-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-lua",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-lua 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-lua-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-ndk",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-ndk 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-ndk-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-perl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-perl 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-perl-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-subs-filter",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-subs-filter 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-subs-filter-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-uploadprogress",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-uploadprogress 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-uploadprogress-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-upstream-fair",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-upstream-fair 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-upstream-fair-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-http-xslt-filter",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-http-xslt-filter 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-http-xslt-filter-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-mail",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-mail 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-mail-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-nchan",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-nchan 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-nchan-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-rtmp",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-rtmp 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-rtmp-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libnginx-mod-stream",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "libnginx-mod-stream 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnginx-mod-stream-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "nginx",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "nginx 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nginx-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "nginx-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "nginx-common 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nginx-common-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "nginx-core",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "nginx-core 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nginx-core-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "nginx-extras",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "nginx-extras 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nginx-extras-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "nginx-full",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "nginx-full 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nginx-full-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "nginx-light",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.0-0ubuntu1.2",
      "fix": "nginx-light 1.14.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nginx-light-1.14.0-0ubuntu1.2",
      "released": "2018-11-05T16:00:00Z"
    }
  ],
  "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"
  }
}