vuln-ubuntu/data/osv/usn/USN-3909-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-3909-1",
  "summary": "libvirt vulnerability",
  "details": "It was discovered that libvirt incorrectly handled waiting for certain\nagent events. An attacker inside a guest could possibly use this issue to\ncause libvirtd to stop responding, resulting in a denial of service.\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2019-3840"
  ],
  "related": [],
  "published": "2019-03-14T17:53:47Z",
  "modified": "2026-04-22T07:36:36Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libvirt",
        "purl": "pkg:deb/ubuntu/libvirt@1.3.1-1ubuntu10.25?arch=source&distro=xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.1-1ubuntu10.25"
            }
          ]
        }
      ],
      "versions": [
        "1.2.16-2ubuntu11",
        "1.2.16-2ubuntu12",
        "1.2.16-2ubuntu13",
        "1.2.16-2ubuntu14",
        "1.2.21-2ubuntu1",
        "1.2.21-2ubuntu3",
        "1.2.21-2ubuntu4",
        "1.2.21-2ubuntu5",
        "1.2.21-2ubuntu7",
        "1.2.21-2ubuntu8",
        "1.2.21-2ubuntu9",
        "1.2.21-2ubuntu10",
        "1.3.1-1ubuntu1",
        "1.3.1-1ubuntu2",
        "1.3.1-1ubuntu3",
        "1.3.1-1ubuntu4",
        "1.3.1-1ubuntu6",
        "1.3.1-1ubuntu9",
        "1.3.1-1ubuntu10",
        "1.3.1-1ubuntu10.1",
        "1.3.1-1ubuntu10.2",
        "1.3.1-1ubuntu10.3",
        "1.3.1-1ubuntu10.5",
        "1.3.1-1ubuntu10.6",
        "1.3.1-1ubuntu10.7",
        "1.3.1-1ubuntu10.8",
        "1.3.1-1ubuntu10.10",
        "1.3.1-1ubuntu10.11",
        "1.3.1-1ubuntu10.12",
        "1.3.1-1ubuntu10.13",
        "1.3.1-1ubuntu10.14",
        "1.3.1-1ubuntu10.15",
        "1.3.1-1ubuntu10.17",
        "1.3.1-1ubuntu10.18",
        "1.3.1-1ubuntu10.19",
        "1.3.1-1ubuntu10.21",
        "1.3.1-1ubuntu10.22",
        "1.3.1-1ubuntu10.23",
        "1.3.1-1ubuntu10.24"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libvirt-bin",
            "binary_version": "1.3.1-1ubuntu10.25"
          },
          {
            "binary_name": "libvirt0",
            "binary_version": "1.3.1-1ubuntu10.25"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:16.04:LTS",
          "cves": [
            {
              "id": "CVE-2019-3840",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libvirt",
        "purl": "pkg:deb/ubuntu/libvirt@4.0.0-1ubuntu8.8?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.0-1ubuntu8.8"
            }
          ]
        }
      ],
      "versions": [
        "3.6.0-1ubuntu5",
        "3.6.0-1ubuntu6",
        "4.0.0-1ubuntu1",
        "4.0.0-1ubuntu2",
        "4.0.0-1ubuntu3",
        "4.0.0-1ubuntu4",
        "4.0.0-1ubuntu5",
        "4.0.0-1ubuntu6",
        "4.0.0-1ubuntu7",
        "4.0.0-1ubuntu8",
        "4.0.0-1ubuntu8.1",
        "4.0.0-1ubuntu8.2",
        "4.0.0-1ubuntu8.3",
        "4.0.0-1ubuntu8.4",
        "4.0.0-1ubuntu8.5",
        "4.0.0-1ubuntu8.6",
        "4.0.0-1ubuntu8.7"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnss-libvirt",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-bin",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-clients",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-daemon",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-daemon-driver-storage-gluster",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-daemon-driver-storage-rbd",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-daemon-driver-storage-sheepdog",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-daemon-driver-storage-zfs",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-daemon-system",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-sanlock",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt-wireshark",
            "binary_version": "4.0.0-1ubuntu8.8"
          },
          {
            "binary_name": "libvirt0",
            "binary_version": "4.0.0-1ubuntu8.8"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2019-3840",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3909-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-3840"
    }
  ]
}