Security advisory

{
  "id": "753d5d31534d2bc27b7c8577f514dba2f49b9918be8e5fbc196bb1a0384abfb3",
  "url": "https://osv.dev/vulnerability/CVE-2017-6441",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-6441",
    "summary": "The _zval_get_long_func_ex in Zend/zend_operators.c in PHP 7.1.2 allows attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted use of \"declare(ticks=\" in a PHP script. NOTE: the vendor disputes the classification of this as a vulnerability, stating \"Please do not request CVEs for ordinary bugs. CVEs are relevant for security issues only.",
    "evidence": "osv:CVE-2017-6441",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-6441",
      "aliases": [
        "CVE-2017-6441"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/php/php-src",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e000b401acacd5c0e8d90ec36c2ef1c585d149a2"
                },
                {
                  "last_affected": "e000b401acacd5c0e8d90ec36c2ef1c585d149a2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.1.2"
                      },
                      {
                        "last_affected": "7.1.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "7.1.2",
            "php-7.1.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6441.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:20.553301697Z",
      "provider": "osv",
      "references": [
        "https://bugs.php.net/bug.php?id=74146",
        "https://github.com/php/php-src/pull/2396"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-6441",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380286,
  "published_at": "2017-04-03T05:59:00.91+00:00"
}