{
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    {
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      },
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    },
    {
      "database_specific": {
        "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-7259-vf48-52q3/GHSA-7259-vf48-52q3.json"
      },
      "package": {
        "ecosystem": "Maven",
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        "purl": "pkg:maven/org.apache.activemq/activemq-all"
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      ]
    },
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        "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-7259-vf48-52q3/GHSA-7259-vf48-52q3.json"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.activemq:activemq-all",
        "purl": "pkg:maven/org.apache.activemq/activemq-all"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.2.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.0.0",
        "6.0.1",
        "6.1.0",
        "6.1.1",
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        "6.1.4",
        "6.1.5",
        "6.1.6",
        "6.1.7",
        "6.1.8",
        "6.2.0",
        "6.2.1",
        "6.2.2",
        "6.2.3",
        "6.2.4",
        "6.2.5",
        "6.2.6"
      ]
    }
  ],
  "aliases": [
    "BIT-activemq-2026-50734",
    "CVE-2026-50734"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-789"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-11-04T15:59:56Z",
    "nvd_published_at": "2026-06-30T11:16:29Z",
    "severity": "HIGH"
  },
  "details": "An unauthenticated network attacker can cause a broker DoS by sending a crafted WireFormatInfo frame with a malicious large size value. The value is not validate and causes the broker to attempt allocation during pre-auth negotiation which can trigger OOM and crash the broker.\nThis issue affects Apache ActiveMQ Client: before 5.19.8, from 6.0.0 before 6.2.7; 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.\n\nUsers are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.",
  "id": "GHSA-7259-vf48-52q3",
  "modified": "2026-11-04T16:25:46.181028122Z",
  "published": "2026-06-30T12:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50734"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/activemq/pull/2080"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/activemq/commit/42e2be75eddcece3cddacf8a73e6cad7db5aa626"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/activemq/commit/6fc46e520bac7d9763ba5762cc2de603f19ed517"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/activemq/commit/e25f9b88898ef7cdfac9e855f4559a1ad0a6da12"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/activemq"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/activemq/releases/tag/activemq-5.19.8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/activemq/releases/tag/activemq-6.2.7"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/nxso951fnvf72qf9m475mpz4yf931xk0"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/06/29/10"
    }
  ],
  "schema_version": "1.9.2",
  "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 Client, Apache ActiveMQ, Apache ActiveMQ All has a Memory Allocation with Excessive Size Value vulnerability"
}