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    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "Unbounded symbol value caching can lead to pre-authentication resource exhaustion",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-770 Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "cweId": "CWE-770",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Qpid ProtonJ2",
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "packageName": "org.apache.qpid:protonj2",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThanOrEqual": "1.1.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "descriptions": [
        {
          "value": "A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue.",
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              "value": "<div>A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.</div><div>This issue affects Apache Qpid ProtonJ2: through 1.1.0.</div><div>Users are recommended to upgrade to version 1.2.0, which fixes the issue.</div>"
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          ]
        }
      ],
      "references": [
        {
          "url": "https://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
      "metrics": [
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          "other": {
            "type": "Textual description of severity",
            "content": {
              "text": "important"
            }
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        }
      ],
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  "cveMetadata": {
    "cveId": "CVE-2026-67588",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
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