{
    "id": "CVE-2022-37452",
    "published": "2022-08-07 18:15:08",
    "last_modified": "2026-06-17 04:55:07",
    "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 before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.",
    "epss_score": "0.03814",
    "epss_percentile": "0.89777",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:32",
    "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": "exim",
            "product": "exim"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743",
        "https://github.com/Exim/exim/compare/exim-4.94...exim-4.95",
        "https://github.com/Exim/exim/wiki/EximSecurity",
        "https://github.com/ivd38/exim_overflow",
        "https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html",
        "https://www.exim.org/static/doc/security/",
        "https://www.openwall.com/lists/oss-security/2022/08/06/8",
        "https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743",
        "https://github.com/Exim/exim/compare/exim-4.94...exim-4.95",
        "https://github.com/Exim/exim/wiki/EximSecurity",
        "https://github.com/ivd38/exim_overflow",
        "https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html",
        "https://www.exim.org/static/doc/security/",
        "https://www.openwall.com/lists/oss-security/2022/08/06/8"
    ]
}