{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.11.0"
              }
            ],
            "source": "DESCRIPTION"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "cc91f02d95945c3534920eb075dcff60ce0b435c"
            }
          ],
          "repo": "https://github.com/apache/fory",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64609.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "0.11.0"
          },
          {
            "fixed": "1.4.0"
          },
          {
            "introduced": "0.5.0"
          },
          {
            "fixed": "0.11.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "0.5.0"
          },
          {
            "fixed": "1.4.0"
          },
          {
            "fixed": "0.11.0"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "Out-of-bounds read via sun.misc.Unsafe in Apache Fory. When out-of-band zero-copy deserialization is used, readAlignedVarUint() can read beyond the bounds of the underlying buffer. Out-of-band zero-copy deserialization is an opt-in feature; applications that do not use it are not affected.\n\nThis issue affects Apache Fory (formerly Apache Fury): from 0.5.0 before 1.4.0. Versions before 0.11.0 were published under the Maven coordinates org.apache.fury:fury-core.\n\nUsers are recommended to upgrade to version 1.4.0, which fixes the issue.",
  "id": "CVE-2026-64609",
  "modified": "2026-08-12T03:51:41.479795454Z",
  "published": "2026-07-21T09:34:57.010Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/21/6"
    },
    {
      "type": "WEB",
      "url": "https://repo.maven.apache.org/maven2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64609.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/rdv22ks3b0cxh0r52w3ghxgkxqso3f1b"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64609"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Fory, Apache Fory: Out-of-Bounds Read via sun.misc.Unsafe in zero-copy java deserialization"
}