{
    "id": "CVE-2016-5636",
    "published": "2016-09-02 14:59:06",
    "last_modified": "2026-06-17 00:49:48",
    "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-190",
    "description": "Integer overflow in the get_data function in zipimport.c in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 allows remote attackers to have unspecified impact via a negative data size value, which triggers a heap-based buffer overflow.",
    "epss_score": "0.25480",
    "epss_percentile": "0.97898",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:16",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 25.5% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "python",
            "product": "python"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html",
        "http://rhn.redhat.com/errata/RHSA-2016-2586.html",
        "http://www.openwall.com/lists/oss-security/2016/06/15/15",
        "http://www.openwall.com/lists/oss-security/2016/06/16/1",
        "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html",
        "http://www.securityfocus.com/bid/91247",
        "http://www.securitytracker.com/id/1038138",
        "http://www.splunk.com/view/SP-CAAAPSV",
        "http://www.splunk.com/view/SP-CAAAPUE",
        "https://bugs.python.org/issue26171",
        "https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5",
        "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2",
        "https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS",
        "https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html",
        "https://security.gentoo.org/glsa/201701-18",
        "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html",
        "http://rhn.redhat.com/errata/RHSA-2016-2586.html",
        "http://www.openwall.com/lists/oss-security/2016/06/15/15",
        "http://www.openwall.com/lists/oss-security/2016/06/16/1",
        "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html",
        "http://www.securityfocus.com/bid/91247",
        "http://www.securitytracker.com/id/1038138",
        "http://www.splunk.com/view/SP-CAAAPSV",
        "http://www.splunk.com/view/SP-CAAAPUE",
        "https://bugs.python.org/issue26171"
    ]
}