{
    "id": "CVE-2009-0689",
    "published": "2009-07-01 13:00:01",
    "last_modified": "2026-06-16 23:05:34",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-119",
    "description": "Array index error in the (1) dtoa implementation in dtoa.c (aka pdtoa.c) and the (2) gdtoa (aka new dtoa) implementation in gdtoa/misc.c in libc, as used in multiple operating systems and products including in FreeBSD 6.4 and 7.2, NetBSD 5.0, OpenBSD 4.5, Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4, K-Meleon 1.5.3, SeaMonkey 1.1.8, and other products, allows context-dependent attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large precision value in the format argument to a printf function, which triggers incorrect memory allocation and a heap-based buffer overflow during conversion to a floating-point number.",
    "epss_score": "0.28054",
    "epss_percentile": "0.98047",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "freebsd",
            "product": "freebsd"
        },
        {
            "vendor": "k-meleon_project",
            "product": "k-meleon"
        },
        {
            "vendor": "mozilla",
            "product": "firefox"
        },
        {
            "vendor": "mozilla",
            "product": "seamonkey"
        },
        {
            "vendor": "netbsd",
            "product": "netbsd"
        },
        {
            "vendor": "openbsd",
            "product": "openbsd"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "33479",
            "title": "Apple Mac OSX 10.x - 'libc/strtod(3)' Memory Corruption",
            "date": "2010-01-08",
            "url": "https://www.exploit-db.com/exploits/33479"
        },
        {
            "source": "exploit-db",
            "ref_id": "33480",
            "title": "MATLAB R2009b - 'dtoa' Implementation Memory Corruption",
            "date": "2010-01-08",
            "url": "https://www.exploit-db.com/exploits/33480"
        },
        {
            "source": "exploit-db",
            "ref_id": "10380",
            "title": "Sunbird 0.9 - Array Overrun Code Execution",
            "date": "2009-12-11",
            "url": "https://www.exploit-db.com/exploits/10380"
        },
        {
            "source": "exploit-db",
            "ref_id": "33363",
            "title": "Opera Web Browser 10.01 - 'dtoa()' Remote Code Execution",
            "date": "2009-11-20",
            "url": "https://www.exploit-db.com/exploits/33363"
        },
        {
            "source": "exploit-db",
            "ref_id": "33364",
            "title": "KDE 4.3.3 - KDELibs 'dtoa()' Remote Code Execution",
            "date": "2009-11-20",
            "url": "https://www.exploit-db.com/exploits/33364"
        },
        {
            "source": "exploit-db",
            "ref_id": "10184",
            "title": "KDE KDELibs 4.3.3 - Remote Array Overrun",
            "date": "2009-11-19",
            "url": "https://www.exploit-db.com/exploits/10184"
        },
        {
            "source": "exploit-db",
            "ref_id": "10185",
            "title": "SeaMonkey 1.1.8 - Remote Array Overrun",
            "date": "2009-11-19",
            "url": "https://www.exploit-db.com/exploits/10185"
        },
        {
            "source": "exploit-db",
            "ref_id": "10186",
            "title": "K-Meleon 1.5.3 - Remote Array Overrun",
            "date": "2009-11-19",
            "url": "https://www.exploit-db.com/exploits/10186"
        },
        {
            "source": "exploit-db",
            "ref_id": "10187",
            "title": "Opera 10.01 - Remote Array Overrun",
            "date": "2009-11-19",
            "url": "https://www.exploit-db.com/exploits/10187"
        },
        {
            "source": "exploit-db",
            "ref_id": "33312",
            "title": "Mozilla Firefox 3.5.3 - Floating Point Conversion Heap Overflow",
            "date": "2009-10-27",
            "url": "https://www.exploit-db.com/exploits/33312"
        },
        {
            "source": "exploit-db",
            "ref_id": "33058",
            "title": "BSD (Multiple Distributions) - 'gdtoa/misc.c' Memory Corruption",
            "date": "2009-05-26",
            "url": "https://www.exploit-db.com/exploits/33058"
        }
    ],
    "refs_list": [
        "http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gdtoa/gdtoaimp.h",
        "http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html",
        "http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html",
        "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html",
        "http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html",
        "http://rhn.redhat.com/errata/RHSA-2014-0311.html",
        "http://rhn.redhat.com/errata/RHSA-2014-0312.html",
        "http://secunia.com/advisories/37431",
        "http://secunia.com/advisories/37682",
        "http://secunia.com/advisories/37683",
        "http://secunia.com/advisories/38066",
        "http://secunia.com/advisories/38977",
        "http://secunia.com/advisories/39001",
        "http://secunia.com/secunia_research/2009-35/",
        "http://securityreason.com/achievement_securityalert/63",
        "http://securityreason.com/achievement_securityalert/69",
        "http://securityreason.com/achievement_securityalert/71",
        "http://securityreason.com/achievement_securityalert/72",
        "http://securityreason.com/achievement_securityalert/73",
        "http://securityreason.com/achievement_securityalert/75",
        "http://securityreason.com/achievement_securityalert/76",
        "http://securityreason.com/achievement_securityalert/77",
        "http://securityreason.com/achievement_securityalert/78",
        "http://securityreason.com/achievement_securityalert/81",
        "http://securitytracker.com/id?1022478"
    ]
}