{
  "schema_version": "1.4.0",
  "id": "GHSA-wrc8-jp87-rq8j",
  "modified": "2024-12-27T18:30:25Z",
  "published": "2022-05-14T01:09:55Z",
  "aliases": [
    "CVE-2017-8923"
  ],
  "details": "The zend_string_extend function in Zend/zend_string.h in PHP through 7.1.5 does not prevent changes to string objects that result in a negative length, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact by leveraging a script's use of .= with a long string.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-8923"
    },
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=74577"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20241227-0007"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/98518"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-787"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-05-12T20:29:00Z"
  }
}