{
    "id": "CVE-2008-3531",
    "published": "2008-09-05 16:08:00",
    "last_modified": "2026-06-16 22:55:59",
    "cvss_score": "6.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-119",
    "description": "Stack-based buffer overflow in sys/kern/vfs_mount.c in the kernel in FreeBSD 7.0 and 7.1, when vfs.usermount is enabled, allows local users to gain privileges via a crafted (1) mount or (2) nmount system call, related to copying of \"user defined data\" in \"certain error conditions.\"",
    "epss_score": "0.01032",
    "epss_percentile": "0.62765",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-11 18:17:07",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "freebsd",
            "product": "freebsd"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "9082",
            "title": "FreeBSD 7.0/7.1 - 'vfs.usermount' Local Privilege Escalation",
            "date": "2009-07-09",
            "url": "https://www.exploit-db.com/exploits/9082"
        }
    ],
    "refs_list": [
        "http://security.FreeBSD.org/advisories/FreeBSD-SA-08:08.nmount.asc",
        "http://www.securityfocus.com/bid/31002",
        "http://www.securitytracker.com/id?1020816",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/45143",
        "http://security.FreeBSD.org/advisories/FreeBSD-SA-08:08.nmount.asc",
        "http://www.securityfocus.com/bid/31002",
        "http://www.securitytracker.com/id?1020816",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/45143"
    ]
}