{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "vyper"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.2.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-129"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-04-16T23:11:53Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Impact\nWhen performing a function call inside an array, there is a memory corruption issue that occurs because of an incorrect pointer to the the tip of the stack.\n\n### Patches\nThis issue was partially fixed in [VVE-2020-0004](https://github.com/vyperlang/vyper/security/advisories/GHSA-2r3x-4mrv-mcxf), however the fix did not update similar code for arrays, which had a similar issue. The issue is fully fixed in https://github.com/vyperlang/vyper/pull/2345",
  "id": "GHSA-22wc-c9wj-6q2v",
  "modified": "2021-04-16T23:11:53Z",
  "published": "2021-04-19T15:12:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-22wc-c9wj-6q2v"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/pull/2345"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/commit/11b7b5b7e59bc9dc859d51cd41a924b59fe47c9e"
    },
    {
      "type": "WEB",
      "url": "https://pypi.org/project/vyper"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "VVE-2021-0001: Memory corruption using function calls within arrays"
}