{
    "id": "CVE-2017-5340",
    "published": "2017-01-11 06:59:00",
    "last_modified": "2026-06-17 01:20:17",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-190",
    "description": "Zend/zend_hash.c in PHP before 7.0.15 and 7.1.x before 7.1.1 mishandles certain cases that require large array allocations, which allows remote attackers to execute arbitrary code or cause a denial of service (integer overflow, uninitialized memory access, and use of arbitrary destructor function pointers) via crafted serialized data.",
    "epss_score": "0.16690",
    "epss_percentile": "0.96945",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-04 18:17:16",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 16.7% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "netapp",
            "product": "clustered_data_ontap"
        },
        {
            "vendor": "php",
            "product": "php"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securityfocus.com/bid/95371",
        "http://www.securitytracker.com/id/1037659",
        "https://access.redhat.com/errata/RHSA-2018:1296",
        "https://bugs.php.net/bug.php?id=73832",
        "https://github.com/php/php-src/commit/4cc0286f2f3780abc6084bcdae5dce595daa3c12",
        "https://security.netapp.com/advisory/ntap-20180112-0001/",
        "http://www.securityfocus.com/bid/95371",
        "http://www.securitytracker.com/id/1037659",
        "https://access.redhat.com/errata/RHSA-2018:1296",
        "https://bugs.php.net/bug.php?id=73832",
        "https://github.com/php/php-src/commit/4cc0286f2f3780abc6084bcdae5dce595daa3c12",
        "https://security.netapp.com/advisory/ntap-20180112-0001/"
    ]
}