{
    "id": "CVE-2018-13259",
    "published": "2018-09-05 08:29:00",
    "last_modified": "2026-06-17 01:39:06",
    "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-20",
    "description": "An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is a substring of the intended one.",
    "epss_score": "0.02723",
    "epss_percentile": "0.85690",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-13 18:17:18",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "zsh",
            "product": "zsh"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://access.redhat.com/errata/RHSA-2019:2017",
        "https://bugs.debian.org/908000",
        "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html",
        "https://security.gentoo.org/glsa/201903-02",
        "https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d17294df028322b70c53803a402233d",
        "https://usn.ubuntu.com/3764-1/",
        "https://www.zsh.org/mla/zsh-announce/136",
        "https://access.redhat.com/errata/RHSA-2019:2017",
        "https://bugs.debian.org/908000",
        "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html",
        "https://security.gentoo.org/glsa/201903-02",
        "https://sourceforge.net/p/zsh/code/ci/1c4c7b6a4d17294df028322b70c53803a402233d",
        "https://usn.ubuntu.com/3764-1/",
        "https://www.zsh.org/mla/zsh-announce/136"
    ]
}