{
    "id": "CVE-2015-7687",
    "published": "2017-10-16 18:29:00",
    "last_modified": "2026-06-17 00:32:58",
    "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": "Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.",
    "epss_score": "0.04043",
    "epss_percentile": "0.90359",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:15",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "openbsd",
            "product": "opensmtpd"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html",
        "http://www.openwall.com/lists/oss-security/2015/10/03/1",
        "http://www.securityfocus.com/bid/76975",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1268793",
        "https://www.opensmtpd.org/announces/release-5.7.2.txt",
        "https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt",
        "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html",
        "http://www.openwall.com/lists/oss-security/2015/10/03/1",
        "http://www.securityfocus.com/bid/76975",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1268793",
        "https://www.opensmtpd.org/announces/release-5.7.2.txt",
        "https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt"
    ]
}