{
    "id": "CVE-2016-1252",
    "published": "2017-12-05 16:29:00",
    "last_modified": "2026-06-17 00:41:33",
    "cvss_score": "5.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
    "cwe": "CWE-295",
    "description": "The apt package in Debian jessie before 1.0.9.8.4, in Debian unstable before 1.4~beta2, in Ubuntu 14.04 LTS before 1.0.1ubuntu2.17, in Ubuntu 16.04 LTS before 1.2.15ubuntu0.2, and in Ubuntu 16.10 before 1.3.2ubuntu0.1 allows man-in-the-middle attackers to bypass a repository-signing protection mechanism by leveraging improper error handling when validating InRelease file signatures.",
    "epss_score": "0.07275",
    "epss_percentile": "0.94157",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:14",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "advanced_package_tool"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40916",
            "title": "APT - Repository Signing Bypass via Memory Allocation Failure",
            "date": "2016-12-14",
            "url": "https://www.exploit-db.com/exploits/40916"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html",
        "http://www.ubuntu.com/usn/USN-3156-1",
        "https://bugs.chromium.org/p/project-zero/issues/detail?id=1020",
        "https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467",
        "https://www.debian.org/security/2016/dsa-3733",
        "https://www.exploit-db.com/exploits/40916/",
        "http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html",
        "http://www.ubuntu.com/usn/USN-3156-1",
        "https://bugs.chromium.org/p/project-zero/issues/detail?id=1020",
        "https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467",
        "https://www.debian.org/security/2016/dsa-3733",
        "https://www.exploit-db.com/exploits/40916/"
    ]
}