{
  "public_date" : "2026-01-22T00:00:00Z",
  "bugzilla" : {
    "description" : "orjson: orjson: Denial of Service due to unbounded recursion with deeply nested JSON documents",
    "id" : "2432074",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2432074"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "draft"
  },
  "details" : [ "The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents.", "A flaw was found in orjson. The `orjson.dumps` function does not properly limit recursion when processing deeply nested JSON documents. A remote attacker could exploit this vulnerability by providing a specially crafted JSON document, leading to a Denial of Service (DoS) condition." ],
  "statement" : "For this flaw to be remotely exploitable, the system must accept data from untrusted users. For that reason, our analysis indicates the attack vector for this flaw is \"Local\".",
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    "fix_state" : "Fix deferred",
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  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2025-67221\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-67221\nhttps://github.com/ijl/orjson\nhttps://github.com/kpatsakis/orjson_vulnerability" ],
  "name" : "CVE-2025-67221",
  "csaw" : false
}