{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2025-14178",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-14178",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-27T19:27:41.691Z",
    "updatedAt": "2026-01-24T11:04:01.892Z",
    "importedAt": "2026-10-24T01:57:24.991Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Heap buffer overflow in array_merge()",
      "summary": "In PHP versions:8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8.4.* before 8.4.16, 8.5.* before 8.5.1, a heap buffer overflow occurs in array_merge() when the total element count of packed arrays exceeds 32-bit limits or HT_MAX_SIZE, due to an integer overflow in the precomputation of element counts using zend_hash_num_elements(). This may lead to memory corruption or crashes and affect the integrity and availability of the target server.",
      "affected": [
        {
          "vendor": "PHP Group",
          "product": "PHP",
          "packageName": "php",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "8.1.*",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.1.34"
            },
            {
              "version": "8.2.*",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.2.30"
            },
            {
              "version": "8.3.*",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.3.29"
            },
            {
              "version": "8.4.*",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.4.16"
            },
            {
              "version": "8.5.*",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.5.1"
            }
          ]
        }
      ]
    }
  }
}