{
    "id": "CVE-2017-5461",
    "published": "2017-05-11 01:29:05",
    "last_modified": "2026-06-17 01:20:32",
    "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-787",
    "description": "Mozilla Network Security Services (NSS) before 3.21.4, 3.22.x through 3.28.x before 3.28.4, 3.29.x before 3.29.5, and 3.30.x before 3.30.1 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by leveraging incorrect base64 operations.",
    "epss_score": "0.04703",
    "epss_percentile": "0.91566",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:16",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "mozilla",
            "product": "network_security_services"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.debian.org/security/2017/dsa-3831",
        "http://www.debian.org/security/2017/dsa-3872",
        "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
        "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html",
        "http://www.securityfocus.com/bid/98050",
        "http://www.securitytracker.com/id/1038320",
        "https://access.redhat.com/errata/RHSA-2017:1100",
        "https://access.redhat.com/errata/RHSA-2017:1101",
        "https://access.redhat.com/errata/RHSA-2017:1102",
        "https://access.redhat.com/errata/RHSA-2017:1103",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1344380",
        "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.4_release_notes",
        "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.28.4_release_notes",
        "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.29.5_release_notes",
        "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.30.1_release_notes",
        "https://security.gentoo.org/glsa/201705-04",
        "https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/#CVE-2017-5461",
        "https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5461",
        "https://www.mozilla.org/en-US/security/advisories/mfsa2017-12/#CVE-2017-5461",
        "https://www.mozilla.org/en-US/security/advisories/mfsa2017-13/#CVE-2017-5461",
        "https://www.oracle.com//security-alerts/cpujul2021.html",
        "http://www.debian.org/security/2017/dsa-3831",
        "http://www.debian.org/security/2017/dsa-3872",
        "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
        "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
    ]
}