{
  "fix": "libldap2 2.4.57\u002Bdfsg-2ubuntu1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libldap2-2.4.57-dfsg-2ubuntu1",
  "summary": "libldap2 2.4.57\u002Bdfsg-2ubuntu1, released January 16, 2026, fixes 11 CVEs in libldap2. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libldap2 2.4.57\u002Bdfsg-2ubuntu1 for Ubuntu 25.04 (plucky)",
  "released": "2026-01-16T01:42:24Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 11 CVEs, none high severity",
  "supported": false,
  "cveCount": 11,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.84994,
  "appliesTo": [
    {
      "product": "libldap2",
      "productUrl": "https://patchblox.com/security/product/linux/libldap2",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.4.57\u002Bdfsg-2ubuntu1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-36221",
      "url": "https://patchblox.com/security/cve/CVE-2020-36221",
      "title": "libldap2: An integer underflow was discovered in OpenLDAP before 2.4.57 leading toslapd crashes in the Certificate Exact Assert...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.84994,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36228",
      "url": "https://patchblox.com/security/cve/CVE-2020-36228",
      "title": "ldap-utils: An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.84994,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36222",
      "url": "https://patchblox.com/security/cve/CVE-2020-36222",
      "title": "slapd-contrib: A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertionfailure in slapd in the saslAuthzTo validation...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.77236,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36227",
      "url": "https://patchblox.com/security/cve/CVE-2020-36227",
      "title": "ldap-utils: A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel ope...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.77236,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-27212",
      "url": "https://patchblox.com/security/cve/CVE-2021-27212",
      "title": "libldap2: In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertionfailure in slapd can occur in the issuerAndThisU...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.66114,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36230",
      "url": "https://patchblox.com/security/cve/CVE-2020-36230",
      "title": "ldap-utils: A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertionfailure in slapd in the X.509 DN parsing in de...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.12109,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36224",
      "url": "https://patchblox.com/security/cve/CVE-2020-36224",
      "title": "ldap-utils: A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalidpointer free and slapd crash in the saslAuthzTo...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.04352,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36225",
      "url": "https://patchblox.com/security/cve/CVE-2020-36225",
      "title": "ldap-utils: A flaw was discovered in OpenLDAP before 2.4.57 leading to a double freeand slapd crash in the saslAuthzTo processing...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.04352,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36229",
      "url": "https://patchblox.com/security/cve/CVE-2020-36229",
      "title": "ldap-utils: A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leadingto a slapd crash in the X.509 DN parsing in...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.04352,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36223",
      "url": "https://patchblox.com/security/cve/CVE-2020-36223",
      "title": "ldap-utils: A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash inthe Values Return Filter control handling,...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.04235,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36226",
      "url": "https://patchblox.com/security/cve/CVE-2020-36226",
      "title": "ldap-utils: A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch-\u003Ebv_lenmiscalculation and slapd crash in the saslA...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.04235,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T07:53:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}