{
    "id": "CVE-2021-21110",
    "published": "2021-01-08 19:15:15",
    "last_modified": "2026-06-17 03:34:50",
    "cvss_score": "9.6",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
    "cwe": "CWE-416",
    "description": "Use after free in safe browsing in Google Chrome prior to 87.0.4280.141 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.",
    "epss_score": "0.03095",
    "epss_percentile": "0.87380",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:24",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.6), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "google",
            "product": "chrome"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.html",
        "https://crbug.com/1152451",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN/",
        "https://security.gentoo.org/glsa/202101-05",
        "https://www.debian.org/security/2021/dsa-4832",
        "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop.html",
        "https://crbug.com/1152451",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN/",
        "https://security.gentoo.org/glsa/202101-05",
        "https://www.debian.org/security/2021/dsa-4832"
    ]
}