{
    "id": "CVE-2015-8557",
    "published": "2016-01-08 20:59:02",
    "last_modified": "2026-06-17 00:34:46",
    "cvss_score": "9.0",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
    "cwe": "CWE-78",
    "description": "The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers to execute arbitrary commands via shell metacharacters in a font name.",
    "epss_score": "0.06718",
    "epss_percentile": "0.93738",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-05 18:17:13",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "pygments",
            "product": "pygments"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://packetstormsecurity.com/files/133823/Pygments-FontManager._get_nix_font_path-Shell-Injection.html",
        "http://seclists.org/fulldisclosure/2015/Oct/4",
        "http://www.debian.org/security/2016/dsa-3445",
        "http://www.openwall.com/lists/oss-security/2015/12/14/17",
        "http://www.openwall.com/lists/oss-security/2015/12/14/6",
        "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html",
        "http://www.ubuntu.com/usn/USN-2862-1",
        "https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff",
        "https://security.gentoo.org/glsa/201612-05",
        "http://packetstormsecurity.com/files/133823/Pygments-FontManager._get_nix_font_path-Shell-Injection.html",
        "http://seclists.org/fulldisclosure/2015/Oct/4",
        "http://www.debian.org/security/2016/dsa-3445",
        "http://www.openwall.com/lists/oss-security/2015/12/14/17",
        "http://www.openwall.com/lists/oss-security/2015/12/14/6",
        "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html",
        "http://www.ubuntu.com/usn/USN-2862-1",
        "https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff",
        "https://security.gentoo.org/glsa/201612-05"
    ]
}