vuln-ubuntu/data/osv/usn/USN-5508-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-5508-1",
  "summary": "python-ldap vulnerability",
  "details": "It was discovered that Python LDAP incorrectly handled certain regular expressions.\nAn remote attacker could possibly use this issue to cause a denial of service.\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2021-46823"
  ],
  "related": [],
  "published": "2022-07-11T14:09:05Z",
  "modified": "2026-02-10T04:42:41Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "python-ldap",
        "purl": "pkg:deb/ubuntu/python-ldap@3.0.0-1ubuntu0.2?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.0-1ubuntu0.2"
            }
          ]
        }
      ],
      "versions": [
        "2.4.41-1",
        "2.5.2-1",
        "3.0.0~b4-1",
        "3.0.0-1",
        "3.0.0-1ubuntu0.1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-ldap",
            "binary_version": "3.0.0-1ubuntu0.2"
          },
          {
            "binary_name": "python-pyldap",
            "binary_version": "3.0.0-1ubuntu0.2"
          },
          {
            "binary_name": "python3-ldap",
            "binary_version": "3.0.0-1ubuntu0.2"
          },
          {
            "binary_name": "python3-pyldap",
            "binary_version": "3.0.0-1ubuntu0.2"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2021-46823",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "python-ldap",
        "purl": "pkg:deb/ubuntu/python-ldap@3.2.0-4ubuntu2.1?arch=source&distro=focal"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.0-4ubuntu2.1"
            }
          ]
        }
      ],
      "versions": [
        "3.1.0-2build1",
        "3.1.0-2build2",
        "3.2.0-3",
        "3.2.0-3ubuntu1",
        "3.2.0-3ubuntu2",
        "3.2.0-3ubuntu3",
        "3.2.0-4ubuntu2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-ldap",
            "binary_version": "3.2.0-4ubuntu2.1"
          },
          {
            "binary_name": "python3-pyldap",
            "binary_version": "3.2.0-4ubuntu2.1"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:20.04:LTS",
          "cves": [
            {
              "id": "CVE-2021-46823",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "python-ldap",
        "purl": "pkg:deb/ubuntu/python-ldap@3.2.0-4ubuntu7.1?arch=source&distro=jammy"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.0-4ubuntu7.1"
            }
          ]
        }
      ],
      "versions": [
        "3.2.0-4ubuntu5",
        "3.2.0-4ubuntu6",
        "3.2.0-4ubuntu7"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-ldap",
            "binary_version": "3.2.0-4ubuntu7.1"
          },
          {
            "binary_name": "python3-pyldap",
            "binary_version": "3.2.0-4ubuntu7.1"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:22.04:LTS",
          "cves": [
            {
              "id": "CVE-2021-46823",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5508-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-46823"
    }
  ]
}