vuln-ubuntu/data/osv/usn/USN-5474-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-5474-1",
  "summary": "varnish vulnerabilities",
  "details": "It was dicovered that Varnish Cache did not clear a pointer between the\nhandling of one client request and the next request within the same connection.\nA remote attacker could possibly use this issue to obtain sensitive\ninformation. (CVE-2019-20637)\n\nIt was discovered that Varnish Cache could have an assertion failure when a\nTLS termination proxy uses PROXY version 2. A remote attacker could possibly\nuse this issue to restart the daemon and cause a performance loss.\n(CVE-2020-11653)\n\nIt was discovered that Varnish Cache allowed request smuggling and VCL\nauthorization bypass via a large Content-Length header for a POST\nrequest. A remote attacker could possibly use this issue to obtain sensitive\ninformation. (CVE-2021-36740)\n\nIt was discovered that Varnish Cache allowed request smuggling for HTTP/1\nconnections. A remote attacker could possibly use this issue to obtain\nsensitive information. (CVE-2022-23959)\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2019-20637",
    "UBUNTU-CVE-2020-11653",
    "UBUNTU-CVE-2021-36740",
    "UBUNTU-CVE-2022-23959"
  ],
  "related": [],
  "published": "2022-06-08T19:20:14Z",
  "modified": "2026-04-27T14:11:28Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "varnish",
        "purl": "pkg:deb/ubuntu/varnish@5.2.1-1ubuntu0.1?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.2.1-1ubuntu0.1"
            }
          ]
        }
      ],
      "versions": [
        "5.0.0-7.1",
        "5.2.1-1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libvarnishapi1",
            "binary_version": "5.2.1-1ubuntu0.1"
          },
          {
            "binary_name": "varnish",
            "binary_version": "5.2.1-1ubuntu0.1"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2019-20637",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            },
            {
              "id": "CVE-2022-23959",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "varnish",
        "purl": "pkg:deb/ubuntu/varnish@6.2.1-2ubuntu0.1?arch=source&distro=focal"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.2.1-2ubuntu0.1"
            }
          ]
        }
      ],
      "versions": [
        "6.1.1-1",
        "6.2.1-2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libvarnishapi2",
            "binary_version": "6.2.1-2ubuntu0.1"
          },
          {
            "binary_name": "varnish",
            "binary_version": "6.2.1-2ubuntu0.1"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:20.04:LTS",
          "cves": [
            {
              "id": "CVE-2019-20637",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            },
            {
              "id": "CVE-2020-11653",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "low"
                }
              ]
            },
            {
              "id": "CVE-2021-36740",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            },
            {
              "id": "CVE-2022-23959",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "varnish",
        "purl": "pkg:deb/ubuntu/varnish@6.6.1-1ubuntu0.2?arch=source&distro=jammy"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.6.1-1ubuntu0.2"
            }
          ]
        }
      ],
      "versions": [
        "6.5.2-1",
        "6.6.1-1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libvarnishapi2",
            "binary_version": "6.6.1-1ubuntu0.2"
          },
          {
            "binary_name": "varnish",
            "binary_version": "6.6.1-1ubuntu0.2"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:22.04:LTS",
          "cves": [
            {
              "id": "CVE-2022-23959",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5474-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-20637"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-11653"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-36740"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-23959"
    }
  ]
}