{
    "id": "CVE-2015-4602",
    "published": "2016-05-16 10:59:10",
    "last_modified": "2026-06-17 00:27:34",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": null,
    "description": "The __PHP_Incomplete_Class function in ext/standard/incomplete_class.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an unexpected data type, related to a \"type confusion\" issue.",
    "epss_score": "0.10671",
    "epss_percentile": "0.95684",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:14",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 10.7% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "php",
            "product": "php"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_desktop"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_hpc_node"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_hpc_node_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fb83c76deec58f1fab17c350f04c9f042e5977d1",
        "http://php.net/ChangeLog-5.php",
        "http://rhn.redhat.com/errata/RHSA-2015-1135.html",
        "http://rhn.redhat.com/errata/RHSA-2015-1186.html",
        "http://rhn.redhat.com/errata/RHSA-2015-1187.html",
        "http://rhn.redhat.com/errata/RHSA-2015-1218.html",
        "http://www.openwall.com/lists/oss-security/2015/06/16/12",
        "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html",
        "http://www.securityfocus.com/bid/75249",
        "http://www.securitytracker.com/id/1032709",
        "https://bugs.php.net/bug.php?id=69152",
        "http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fb83c76deec58f1fab17c350f04c9f042e5977d1",
        "http://php.net/ChangeLog-5.php",
        "http://rhn.redhat.com/errata/RHSA-2015-1135.html",
        "http://rhn.redhat.com/errata/RHSA-2015-1186.html",
        "http://rhn.redhat.com/errata/RHSA-2015-1187.html",
        "http://rhn.redhat.com/errata/RHSA-2015-1218.html",
        "http://www.openwall.com/lists/oss-security/2015/06/16/12",
        "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html",
        "http://www.securityfocus.com/bid/75249",
        "http://www.securitytracker.com/id/1032709",
        "https://bugs.php.net/bug.php?id=69152"
    ]
}