{
    "id": "CVE-2017-1000421",
    "published": "2018-01-02 19:29:00",
    "last_modified": "2026-06-17 00:59:08",
    "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-416",
    "description": "Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution",
    "epss_score": "0.02665",
    "epss_percentile": "0.85353",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-13 18:17:16",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "lcdf",
            "product": "gifsicle"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/kohler/gifsicle/issues/114",
        "https://lists.debian.org/debian-lts-announce/2018/01/msg00006.html",
        "https://www.debian.org/security/2018/dsa-4084",
        "https://github.com/kohler/gifsicle/issues/114",
        "https://lists.debian.org/debian-lts-announce/2018/01/msg00006.html",
        "https://www.debian.org/security/2018/dsa-4084"
    ]
}