{
    "id": "CVE-2019-16928",
    "published": "2019-09-27 21:15:10",
    "last_modified": "2026-06-17 02:22:58",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-787",
    "description": "Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.",
    "epss_score": "0.41638",
    "epss_percentile": "0.98638",
    "kev": 1,
    "kev_due": "2022-03-17",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:24:49",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-03-17."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "exim",
            "product": "exim"
        },
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2019-16928",
        "date_added": "2022-03-03",
        "due_date": "2022-03-17",
        "vendor": "Exim",
        "product": "Exim Internet Mailer",
        "name": "Exim Out-of-bounds Write Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "http://www.openwall.com/lists/oss-security/2019/09/28/1",
        "http://www.openwall.com/lists/oss-security/2019/09/28/2",
        "http://www.openwall.com/lists/oss-security/2019/09/28/3",
        "http://www.openwall.com/lists/oss-security/2019/09/28/4",
        "https://bugs.exim.org/show_bug.cgi?id=2449",
        "https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f",
        "https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/",
        "https://seclists.org/bugtraq/2019/Sep/60",
        "https://security.gentoo.org/glsa/202003-47",
        "https://usn.ubuntu.com/4141-1/",
        "https://www.debian.org/security/2019/dsa-4536",
        "http://www.openwall.com/lists/oss-security/2019/09/28/1",
        "http://www.openwall.com/lists/oss-security/2019/09/28/2",
        "http://www.openwall.com/lists/oss-security/2019/09/28/3",
        "http://www.openwall.com/lists/oss-security/2019/09/28/4",
        "https://bugs.exim.org/show_bug.cgi?id=2449",
        "https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f",
        "https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/",
        "https://seclists.org/bugtraq/2019/Sep/60"
    ]
}