vuln-ubuntu/data/osv/usn/USN-4352-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-4352-1",
  "summary": "openldap vulnerability",
  "details": "It was discovered that OpenLDAP incorrectly handled certain queries. A\nremote attacker could possibly use this issue to cause OpenLDAP to consume\nresources, resulting in a denial of service.\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2020-12243"
  ],
  "related": [],
  "published": "2020-05-06T15:27:11Z",
  "modified": "2026-04-22T07:36:38Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "openldap",
        "purl": "pkg:deb/ubuntu/openldap@2.4.42+dfsg-2ubuntu3.8?arch=source&distro=xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.42+dfsg-2ubuntu3.8"
            }
          ]
        }
      ],
      "versions": [
        "2.4.41+dfsg-1ubuntu2",
        "2.4.41+dfsg-1ubuntu3",
        "2.4.42+dfsg-2ubuntu1",
        "2.4.42+dfsg-2ubuntu3",
        "2.4.42+dfsg-2ubuntu3.1",
        "2.4.42+dfsg-2ubuntu3.2",
        "2.4.42+dfsg-2ubuntu3.3",
        "2.4.42+dfsg-2ubuntu3.4",
        "2.4.42+dfsg-2ubuntu3.5",
        "2.4.42+dfsg-2ubuntu3.6",
        "2.4.42+dfsg-2ubuntu3.7"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ldap-utils",
            "binary_version": "2.4.42+dfsg-2ubuntu3.8"
          },
          {
            "binary_name": "libldap-2.4-2",
            "binary_version": "2.4.42+dfsg-2ubuntu3.8"
          },
          {
            "binary_name": "slapd",
            "binary_version": "2.4.42+dfsg-2ubuntu3.8"
          },
          {
            "binary_name": "slapd-smbk5pwd",
            "binary_version": "2.4.42+dfsg-2ubuntu3.8"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:16.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-12243",
              "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": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "openldap",
        "purl": "pkg:deb/ubuntu/openldap@2.4.45+dfsg-1ubuntu1.5?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.45+dfsg-1ubuntu1.5"
            }
          ]
        }
      ],
      "versions": [
        "2.4.45+dfsg-1ubuntu1",
        "2.4.45+dfsg-1ubuntu1.1",
        "2.4.45+dfsg-1ubuntu1.2",
        "2.4.45+dfsg-1ubuntu1.3",
        "2.4.45+dfsg-1ubuntu1.4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ldap-utils",
            "binary_version": "2.4.45+dfsg-1ubuntu1.5"
          },
          {
            "binary_name": "libldap-2.4-2",
            "binary_version": "2.4.45+dfsg-1ubuntu1.5"
          },
          {
            "binary_name": "libldap-common",
            "binary_version": "2.4.45+dfsg-1ubuntu1.5"
          },
          {
            "binary_name": "slapd",
            "binary_version": "2.4.45+dfsg-1ubuntu1.5"
          },
          {
            "binary_name": "slapd-smbk5pwd",
            "binary_version": "2.4.45+dfsg-1ubuntu1.5"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-12243",
              "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": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "openldap",
        "purl": "pkg:deb/ubuntu/openldap@2.4.49+dfsg-2ubuntu1.2?arch=source&distro=focal"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.49+dfsg-2ubuntu1.2"
            }
          ]
        }
      ],
      "versions": [
        "2.4.48+dfsg-1ubuntu1",
        "2.4.48+dfsg-1ubuntu2",
        "2.4.48+dfsg-1ubuntu3",
        "2.4.48+dfsg-1ubuntu4",
        "2.4.49+dfsg-1ubuntu1",
        "2.4.49+dfsg-2ubuntu1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ldap-utils",
            "binary_version": "2.4.49+dfsg-2ubuntu1.2"
          },
          {
            "binary_name": "libldap-2.4-2",
            "binary_version": "2.4.49+dfsg-2ubuntu1.2"
          },
          {
            "binary_name": "libldap-common",
            "binary_version": "2.4.49+dfsg-2ubuntu1.2"
          },
          {
            "binary_name": "slapd",
            "binary_version": "2.4.49+dfsg-2ubuntu1.2"
          },
          {
            "binary_name": "slapd-contrib",
            "binary_version": "2.4.49+dfsg-2ubuntu1.2"
          },
          {
            "binary_name": "slapd-smbk5pwd",
            "binary_version": "2.4.49+dfsg-2ubuntu1.2"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:20.04:LTS",
          "cves": [
            {
              "id": "CVE-2020-12243",
              "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": "medium"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4352-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-12243"
    }
  ]
}