Array overrun in common path resolve code

{
  "id": "60b2adeb8f631f76177df8bc0b3c79a26fe0acd1495c6c225c97f6b92a5627ba",
  "url": "https://osv.dev/vulnerability/CVE-2023-0568",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Array overrun in common path resolve code",
    "summary": "In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification.",
    "evidence": "osv:CVE-2023-0568",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-0568",
      "aliases": [
        "BIT-libphp-2023-0568",
        "BIT-php-2023-0568",
        "BIT-php-min-2023-0568",
        "CVE-2023-0568"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/php/php-src",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5dc92c2117cafc61daaaaa240fd46c3ac33872a4"
                },
                {
                  "fixed": "12b5ba0b1d87d2dfdb4ee213cb5d122c921f3f2f"
                },
                {
                  "introduced": "381ba9f5d0edd0c9c8ec1dea7e21d513ad08b115"
                },
                {
                  "fixed": "aa5f9f05194e534b9644ebdcfd073c1493d17d56"
                },
                {
                  "introduced": "70ee6c20ad97e02c2b8098aeea96fefbbc3ac5c2"
                },
                {
                  "fixed": "cde956a2b0592f5fd9591e423abc22f07be9d4b6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "fixed": "8.0.28"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.1.0"
                      },
                      {
                        "fixed": "8.1.16"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.2.0"
                      },
                      {
                        "fixed": "8.2.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0568.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.787332303Z",
      "provider": "osv",
      "references": [
        "https://bugs.php.net/bug.php?id=81746",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0568.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-0568",
        "https://security.netapp.com/advisory/ntap-20230517-0001/",
        "https://github.com/php/php-src"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-131"
        ],
        "cna_assigner": "php",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0568.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-0568",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521816,
  "published_at": "2023-02-16T06:34:04.101+00:00"
}