{
  "schema_version": "1.5.0",
  "id": "CURL-CVE-2019-5435",
  "aliases": [
    "CVE-2019-5435"
  ],
  "summary": "Integer overflows in URL parser",
  "modified": "2026-04-25T17:48:46.00Z",
  "database_specific": {
    "package": "curl",
    "affects": "both",
    "URL": "https://curl.se/docs/CVE-2019-5435.json",
    "www": "https://curl.se/docs/CVE-2019-5435.html",
    "issue": "https://hackerone.com/reports/547630",
    "CWE": {
      "id": "CWE-131",
      "desc": "Incorrect Calculation of Buffer Size"
    },
    "award": {
      "amount": "150",
      "currency": "USD"
    },
    "last_affected": "7.64.1",
    "severity": "Low"
  },
  "published": "2019-05-22T08:00:00.00Z",
  "affected": [
    {
      "ranges": [
        {
           "type": "SEMVER",
           "events": [
             {"introduced": "7.62.0"},
             {"fixed": "7.65.0"}
           ]
        },
        {
           "type": "GIT",
           "repo": "https://github.com/curl/curl.git",
           "events": [
             {"introduced": "fb30ac5a2d63773c529c19259754e2b306ac2e2e"},
             {"fixed": "5fc28510a4664f46459d9a40187d81cc08571e60"}
           ]
        }
      ],
      "versions": [
        "7.64.1", "7.64.0", "7.63.0", "7.62.0"
      ]
    }
  ],
  "credits": [
    {
      "name": "Wenchao Li",
      "type": "FINDER"
    },
    {
      "name": "Daniel Stenberg",
      "type": "REMEDIATION_DEVELOPER"
    }
  ],
  "details": "libcurl contains two integer overflows in the `curl_url_set()` function that\nif triggered, can lead to a too small buffer allocation and a subsequent heap\nbuffer overflow.\n\nThe flaws only exist on 32-bit architectures and require excessive string\ninput lengths."
}