{
    "id": "CVE-2017-12883",
    "published": "2017-09-19 18:29:00",
    "last_modified": "2026-06-17 01:04:04",
    "cvss_score": "9.1",
    "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:N/A:H",
    "cwe": "CWE-119",
    "description": "Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\\N{U+...}' escape.",
    "epss_score": "0.05908",
    "epss_percentile": "0.93029",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-06 18:17:15",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.1), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "perl",
            "product": "perl"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch",
        "http://www.debian.org/security/2017/dsa-3982",
        "http://www.securityfocus.com/bid/100852",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1492093",
        "https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1",
        "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1",
        "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1",
        "https://rt.perl.org/Public/Bug/Display.html?id=131598",
        "https://security.netapp.com/advisory/ntap-20180426-0001/",
        "https://www.oracle.com/security-alerts/cpujul2020.html",
        "http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch",
        "http://www.debian.org/security/2017/dsa-3982",
        "http://www.securityfocus.com/bid/100852",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1492093",
        "https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1",
        "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1",
        "https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1",
        "https://rt.perl.org/Public/Bug/Display.html?id=131598",
        "https://security.netapp.com/advisory/ntap-20180426-0001/",
        "https://www.oracle.com/security-alerts/cpujul2020.html"
    ]
}