{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "8.2.0"
              },
              {
                "fixed": "8.2.21"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "70ee6c20ad97e02c2b8098aeea96fefbbc3ac5c2"
            },
            {
              "fixed": "482ca6c19c4d776c37bcdd5823edd524f4199cfa"
            }
          ],
          "repo": "https://github.com/php/php-src",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-m8rr-4c36-8gq4"
  ],
  "database_specific": {
    "cna_assigner": "php",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7258.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "8.2.*"
          },
          {
            "fixed": "8.2.31"
          },
          {
            "introduced": "8.3.*"
          },
          {
            "fixed": "8.3.31"
          },
          {
            "introduced": "8.4.*"
          },
          {
            "fixed": "8.4.21"
          },
          {
            "introduced": "8.5.*"
          },
          {
            "fixed": "8.5.6"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "fixed": "8.2.31"
          },
          {
            "fixed": "8.3.31"
          },
          {
            "fixed": "8.4.21"
          },
          {
            "fixed": "8.5.6"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some functions, including urldecode(), pass signed char to ctype functions (like isxdigit()). On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can lead to accessing array with negative offset, which can trigger a denial of service.",
  "id": "CVE-2026-7258",
  "modified": "2026-07-08T05:36:49.132176339Z",
  "published": "2026-05-10T04:28:14.520Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7258.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/php/php-src/security/advisories/GHSA-m8rr-4c36-8gq4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7258"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/U:Amber",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Out-of-bounds read in urldecode() on NetBSD"
}