{
  "schema_version": "1.4.0",
  "id": "GHSA-jwwp-39q3-42p7",
  "modified": "2022-05-24T17:48:02Z",
  "published": "2022-05-24T17:48:02Z",
  "aliases": [
    "CVE-2020-23914"
  ],
  "details": "An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-23914"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yhirose/cpp-peglib/issues/121"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-04-21T18:15:00Z"
  }
}