{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2023-04-28"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.2.0"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.4.20"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.4.2"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "6f176f2"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6f176f2b445a27c157f1a32f225accc9ce8873c0"
            }
          ],
          "repo": "https://github.com/opcfoundation/ua-java-legacy",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6f176f2b445a27c157f1a32f225accc9ce8873c0"
            }
          ],
          "repo": "https://github.com/opcfoundation/ua-java-legacy",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications.",
  "id": "CVE-2023-32787",
  "modified": "2026-04-01T23:08:35.502646250Z",
  "published": "2023-05-15T15:15:12.823Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-32787.pdf"
    },
    {
      "type": "FIX",
      "url": "https://github.com/OPCFoundation/UA-Java-Legacy/commit/6f176f2b445a27c157f1a32f225accc9ce8873c0"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/OPCFoundation/UA-Java-Legacy"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}