{
  "cveId": "CVE-2018-1000656",
  "url": "https://patchblox.com/security/cve/CVE-2018-1000656",
  "summary": "CVE-2018-1000656 is fixed in 2 products on 1 platform, first by python-flask 0.12.2-3ubuntu0.1, released August 20, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "python3-flask: The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask t...",
  "description": "The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding. This vulnerability appears to have been fixed in 0.12.3. NOTE: this may overlap CVE-2019-1010083.",
  "published": "2018-08-20T12:31:00Z",
  "severity": "Low",
  "epss": 0.03855,
  "epssPercentile": 0.90224,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "python-flask",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.12.2-3ubuntu0.1",
      "fix": "python-flask 0.12.2-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-flask-0.12.2-3ubuntu0.1",
      "released": "2018-08-20T12:31:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-flask",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.12.2-3ubuntu0.1",
      "fix": "python3-flask 0.12.2-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python3-flask-0.12.2-3ubuntu0.1",
      "released": "2018-08-20T12:31:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}