{
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-121 Stack-based buffer overflow",
              "lang": "en",
              "cweId": "CWE-121",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Directory LDAP API",
          "packageURL": "pkg:maven/org.apache.directory.api/api-ldap-codec-core",
          "versions": [
            {
              "status": "affected",
              "version": "1.2.0",
              "lessThan": "1.2.9",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "descriptions": [
        {
          "value": "Stack Overflow vulnerability in Apache Directory LDAP API.\n\n\n\nBefore binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder.\n\n\n\nThis issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.\n\n\n\nUsers are recommended to upgrade to version 1.2.9, which fixes the issue.",
          "lang": "en",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "<p>Stack Overflow vulnerability in Apache Directory LDAP API.</p><p><span>Before binding, a client can send a deeply nested search filter </span><span>that overflows the stack in the server's decoder.</span></p><p>This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.</p><p>Users are recommended to upgrade to version 1.2.9, which fixes the issue.</p>"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://lists.apache.org/thread.html/fn3bwknn57266hx66w9vv6b4k8rfwcx7",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "other": {
            "type": "Textual description of severity",
            "content": {
              "text": "critical"
            }
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Claude Security",
          "type": "tool"
        },
        {
          "lang": "en",
          "value": "The Apache Software Foundation",
          "type": "finder"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 1.0.3"
      }
    }
  },
  "cveMetadata": {
    "cveId": "CVE-2026-103552",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0"
}