{
    "id": "CVE-2016-8670",
    "published": "2017-01-04 20:59:00",
    "last_modified": "2026-06-17 00:54:46",
    "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": "CWE-119",
    "description": "Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.",
    "epss_score": "0.04747",
    "epss_percentile": "0.91633",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:14",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "libgd",
            "product": "libgd"
        },
        {
            "vendor": "php",
            "product": "php"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.debian.org/security/2016/dsa-3693",
        "http://www.openwall.com/lists/oss-security/2016/10/15/1",
        "http://www.php.net/ChangeLog-5.php",
        "http://www.php.net/ChangeLog-7.php",
        "http://www.securityfocus.com/bid/93594",
        "https://bugs.php.net/bug.php?id=73280",
        "https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9",
        "https://support.f5.com/csp/article/K21336065?utm_source=f5support&amp%3Butm_medium=RSS",
        "http://www.debian.org/security/2016/dsa-3693",
        "http://www.openwall.com/lists/oss-security/2016/10/15/1",
        "http://www.php.net/ChangeLog-5.php",
        "http://www.php.net/ChangeLog-7.php",
        "http://www.securityfocus.com/bid/93594",
        "https://bugs.php.net/bug.php?id=73280",
        "https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9",
        "https://support.f5.com/csp/article/K21336065?utm_source=f5support&amp%3Butm_medium=RSS"
    ]
}