{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "5.19.8"
              },
              {
                "introduced": "6.0.0"
              },
              {
                "fixed": "6.2.7"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7d56ebc8e04dd0a2a14545cfa05883f9bdba72a2"
            },
            {
              "introduced": "14bac13f40958c1a1d3d198051eed32facc4abd1"
            },
            {
              "fixed": "f3e61919b374ee5b124f80458334c314fc2cb29d"
            }
          ],
          "repo": "https://github.com/apache/activemq",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-789"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53917.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.0.0"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.0.0"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.0.0"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.0.0"
          },
          {
            "fixed": "6.2.7"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.0.0"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.0.0"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.0.0"
          },
          {
            "fixed": "6.2.7"
          },
          {
            "fixed": "5.19.8"
          },
          {
            "introduced": "6.0.0"
          },
          {
            "fixed": "6.2.7"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker.\n\nAn authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message property maps are unmarshaled without size validation which can trigger OOM and crash the broker.\nThis issue affects Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ Client: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ Broker: before 5.19.8, from 6.0.0 before 6.2.7.\n\nUsers are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.",
  "id": "CVE-2026-53917",
  "modified": "2026-07-08T05:36:44.202457633Z",
  "published": "2026-06-30T09:49:17.388Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/06/29/14"
    },
    {
      "type": "WEB",
      "url": "https://repo.maven.apache.org/maven2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53917.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/grrd1mwgkgblqjbwkkq6dvmdxd9ov2dx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53917"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker: Unbounded memory allocation in OpenWire property unmarshalling"
}