usn-7713-1
Vulnerability from osv_ubuntu
Published
2025-08-24 22:57
Modified
2026-04-22 07:37
Summary
openldap vulnerabilities
Details

It was discovered that OpenLDAP incorrectly handled X.509 DN parsing. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36229, CVE-2020-36230)

Pasi Saarinen discovered that OpenLDAP incorrectly handled certain short timestamps. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service. (CVE-2021-27212)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-36229",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-36230",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-27212",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "ldap-utils",
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8"
          },
          {
            "binary_name": "libldap-2.4-2",
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8"
          },
          {
            "binary_name": "slapd",
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8"
          },
          {
            "binary_name": "slapd-smbk5pwd",
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "openldap",
        "purl": "pkg:deb/ubuntu/openldap@2.4.31-1+nmu2ubuntu8.5+esm8?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.31-1+nmu2ubuntu8.5+esm8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.31-1+nmu2ubuntu3",
        "2.4.31-1+nmu2ubuntu4",
        "2.4.31-1+nmu2ubuntu5",
        "2.4.31-1+nmu2ubuntu8",
        "2.4.31-1+nmu2ubuntu8.1",
        "2.4.31-1+nmu2ubuntu8.2",
        "2.4.31-1+nmu2ubuntu8.3",
        "2.4.31-1+nmu2ubuntu8.4",
        "2.4.31-1+nmu2ubuntu8.5",
        "2.4.31-1+nmu2ubuntu8.5+esm1",
        "2.4.31-1+nmu2ubuntu8.5+esm2",
        "2.4.31-1+nmu2ubuntu8.5+esm3",
        "2.4.31-1+nmu2ubuntu8.5+esm4",
        "2.4.31-1+nmu2ubuntu8.5+esm5",
        "2.4.31-1+nmu2ubuntu8.5+esm6",
        "2.4.31-1+nmu2ubuntu8.5+esm7"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that OpenLDAP incorrectly handled X.509 DN parsing. A\nremote attacker could possibly use this issue to cause OpenLDAP to crash,\nresulting in a denial of service. (CVE-2020-36229, CVE-2020-36230)\n\nPasi Saarinen discovered that OpenLDAP incorrectly handled certain short\ntimestamps. A remote attacker could possibly use this issue to cause\nOpenLDAP to crash, resulting in a denial of service. (CVE-2021-27212)",
  "id": "USN-7713-1",
  "modified": "2026-04-22T07:37:23Z",
  "published": "2025-08-24T22:57:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7713-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-36229"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-36230"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-27212"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "openldap vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-36229",
    "UBUNTU-CVE-2020-36230",
    "UBUNTU-CVE-2021-27212"
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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