{
    "id": "CVE-2011-2371",
    "published": "2011-06-30 16:55:05",
    "last_modified": "2026-06-16 23:31:12",
    "cvss_score": "10.0",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-189",
    "description": "Integer overflow in the Array.reduceRight method in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to execute arbitrary code via vectors involving a long JavaScript Array object.",
    "epss_score": "0.75691",
    "epss_percentile": "0.99507",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:18:03",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "mozilla",
            "product": "firefox"
        },
        {
            "vendor": "mozilla",
            "product": "seamonkey"
        },
        {
            "vendor": "mozilla",
            "product": "thunderbird"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "18531",
            "title": "Mozilla Firefox 4.0.1 - 'Array.reduceRight()' Remote Overflow",
            "date": "2012-02-27",
            "url": "https://www.exploit-db.com/exploits/18531"
        },
        {
            "source": "exploit-db",
            "ref_id": "17976",
            "title": "Mozilla Firefox - 'Array.reduceRight()' Integer Overflow (Metasploit) (2)",
            "date": "2011-10-13",
            "url": "https://www.exploit-db.com/exploits/17976"
        },
        {
            "source": "exploit-db",
            "ref_id": "17974",
            "title": "Mozilla Firefox - 'Array.reduceRight()' Integer Overflow (1)",
            "date": "2011-10-12",
            "url": "https://www.exploit-db.com/exploits/17974"
        }
    ],
    "refs_list": [
        "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html",
        "http://secunia.com/advisories/45002",
        "http://securityreason.com/securityalert/8472",
        "http://support.avaya.com/css/P8/documents/100144854",
        "http://support.avaya.com/css/P8/documents/100145333",
        "http://www.debian.org/security/2011/dsa-2268",
        "http://www.debian.org/security/2011/dsa-2269",
        "http://www.debian.org/security/2011/dsa-2273",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:111",
        "http://www.mozilla.org/security/announce/2011/mfsa2011-22.html",
        "http://www.redhat.com/support/errata/RHSA-2011-0885.html",
        "http://www.redhat.com/support/errata/RHSA-2011-0887.html",
        "http://www.redhat.com/support/errata/RHSA-2011-0888.html",
        "http://www.ubuntu.com/usn/USN-1149-1",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=664009",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13987",
        "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html",
        "http://secunia.com/advisories/45002",
        "http://securityreason.com/securityalert/8472",
        "http://support.avaya.com/css/P8/documents/100144854",
        "http://support.avaya.com/css/P8/documents/100145333",
        "http://www.debian.org/security/2011/dsa-2268",
        "http://www.debian.org/security/2011/dsa-2269",
        "http://www.debian.org/security/2011/dsa-2273",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:111"
    ]
}