{
  "cveId": "CVE-2020-14303",
  "url": "https://patchblox.com/security/cve/CVE-2020-14303",
  "summary": "CVE-2020-14303 is fixed in 18 products on 1 platform, first by ctdb 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18, released July 6, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ctdb: A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4",
  "description": "A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.",
  "published": "2020-07-06T11:15:00Z",
  "severity": "Medium",
  "epss": 0.03539,
  "epssPercentile": 0.8935,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "ctdb",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "ctdb 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ctdb-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "ctdb",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "ctdb 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-ctdb-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libnss-winbind",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "libnss-winbind 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnss-winbind-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libnss-winbind",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "libnss-winbind 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libnss-winbind-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-winbind",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "libpam-winbind 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpam-winbind-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libpam-winbind",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "libpam-winbind 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libpam-winbind-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libparse-pidl-perl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "libparse-pidl-perl 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libparse-pidl-perl-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsmbclient",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "libsmbclient 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsmbclient-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsmbclient",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "libsmbclient 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsmbclient-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwbclient0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "libwbclient0 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwbclient0-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwbclient0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "libwbclient0 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwbclient0-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python-samba",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "python-samba 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-samba-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-samba",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "python3-samba 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-python3-samba-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "registry-tools",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "registry-tools 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-registry-tools-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "registry-tools",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "registry-tools 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-registry-tools-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "samba 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-samba-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "samba 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-samba-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "samba-common 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-samba-common-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-common",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "samba-common 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-samba-common-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-common-bin",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "samba-common-bin 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-samba-common-bin-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-common-bin",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "samba-common-bin 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-samba-common-bin-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-dsdb-modules",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "samba-dsdb-modules 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-samba-dsdb-modules-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-dsdb-modules",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "samba-dsdb-modules 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-samba-dsdb-modules-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-libs",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "samba-libs 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-samba-libs-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-libs",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "samba-libs 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-samba-libs-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-testsuite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "samba-testsuite 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-samba-testsuite-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-testsuite",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "samba-testsuite 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-samba-testsuite-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-vfs-modules",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "samba-vfs-modules 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-samba-vfs-modules-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "samba-vfs-modules",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "samba-vfs-modules 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-samba-vfs-modules-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "smbclient",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "smbclient 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-smbclient-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "smbclient",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "smbclient 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-smbclient-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "winbind",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "fix": "winbind 2:4.7.6\u002Bdfsg~ubuntu-0ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-winbind-2-4.7.6-dfsg-ubuntu-0ubuntu2.18",
      "released": "2020-07-06T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "winbind",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "fix": "winbind 2:4.11.6\u002Bdfsg-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-winbind-2-4.11.6-dfsg-0ubuntu1.4",
      "released": "2020-07-06T11:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}