{
  "schema_version": "1.4.0",
  "id": "GHSA-mcrf-7hf9-f6q5",
  "modified": "2023-06-13T20:48:55Z",
  "published": "2021-08-25T21:00:09Z",
  "aliases": [],
  "summary": "Unchecked vector pre-allocation",
  "details": "Affected versions of this crate pre-allocate memory on deserializing raw buffers without checking whether there is sufficient data available. This allows an attacker to do denial-of-service attacks by sending small msgpack messages that allocate gigabytes of memory.\n",
  "severity": [],
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "rmpv"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.4.2"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/3Hren/msgpack-rust/issues/151"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/3Hren/msgpack-rust"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2017-0006.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-06T19:28:40Z",
    "nvd_published_at": null
  }
}