{
    "id": "CVE-2009-1313",
    "published": "2009-04-30 21:30:00",
    "last_modified": "2026-06-16 23:07:00",
    "cvss_score": "9.3",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-399",
    "description": "The nsTextFrame::ClearTextRun function in layout/generic/nsTextFrameThebes.cpp in Mozilla Firefox 3.0.9 allows remote attackers to cause a denial of service (memory corruption) and probably execute arbitrary code via unspecified vectors.  NOTE: this vulnerability reportedly exists because of an incorrect fix for CVE-2009-1302.",
    "epss_score": "0.08387",
    "epss_percentile": "0.94825",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-04 18:17:07",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "mozilla",
            "product": "firefox"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "32961",
            "title": "Mozilla Firefox 3.0.9 - 'nsTextFrame::ClearTextRun()' Remote Memory Corruption",
            "date": "2009-04-27",
            "url": "https://www.exploit-db.com/exploits/32961"
        }
    ],
    "refs_list": [
        "http://secunia.com/advisories/34851",
        "http://secunia.com/advisories/34866",
        "http://secunia.com/advisories/34910",
        "http://secunia.com/advisories/34919",
        "http://securitytracker.com/id?1022126",
        "http://securitytracker.com/id?1022127",
        "http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.350967",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2009:111",
        "http://www.mozilla.org/security/announce/2009/mfsa2009-23.html",
        "http://www.securityfocus.com/bid/34743",
        "http://www.ubuntu.com/usn/USN-765-1",
        "http://www.vupen.com/english/advisories/2009/1180",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=489647",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=489676",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=490233",
        "https://bugzilla.redhat.com/show_bug.cgi?id=497447",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10446",
        "https://rhn.redhat.com/errata/RHSA-2009-0449.html",
        "http://secunia.com/advisories/34851",
        "http://secunia.com/advisories/34866",
        "http://secunia.com/advisories/34910",
        "http://secunia.com/advisories/34919",
        "http://securitytracker.com/id?1022126",
        "http://securitytracker.com/id?1022127",
        "http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.350967"
    ]
}