{
    "id": "CVE-2011-1547",
    "published": "2011-05-09 19:55:03",
    "last_modified": "2026-06-16 23:29:35",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-119",
    "description": "Multiple stack consumption vulnerabilities in the kernel in NetBSD 4.0, 5.0 before 5.0.3, and 5.1 before 5.1.1, when IPsec is enabled, allow remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a crafted (1) IPv4 or (2) IPv6 packet with nested IPComp headers.",
    "epss_score": "0.05077",
    "epss_percentile": "0.92079",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-02 18:17:11",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "netbsd",
            "product": "netbsd"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "17097",
            "title": "IPComp - encapsulation Kernel Memory Corruption",
            "date": "2011-04-01",
            "url": "https://www.exploit-db.com/exploits/17097"
        }
    ],
    "refs_list": [
        "http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-004.txt.asc",
        "http://lists.grok.org.uk/pipermail/full-disclosure/2011-April/080031.html",
        "http://www.kb.cert.org/vuls/id/668220",
        "http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-004.txt.asc",
        "http://lists.grok.org.uk/pipermail/full-disclosure/2011-April/080031.html",
        "http://www.kb.cert.org/vuls/id/668220"
    ]
}