{
    "id": "CVE-2018-9838",
    "published": "2018-04-06 18:29:00",
    "last_modified": "2026-06-17 02:07:05",
    "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-190",
    "description": "The caml_ba_deserialize function in byterun/bigarray.c in the standard library in OCaml 4.06.0 has an integer overflow which, in situations where marshalled data is accepted from an untrusted source, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted object.",
    "epss_score": "0.04137",
    "epss_percentile": "0.90574",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:21",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "ocaml",
            "product": "ocaml"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://caml.inria.fr/mantis/view.php?id=7765",
        "https://security.gentoo.org/glsa/202007-48",
        "https://caml.inria.fr/mantis/view.php?id=7765",
        "https://security.gentoo.org/glsa/202007-48"
    ]
}