{"id":"CVE-2009-1232","aliases":["EUVD-2009-1231","GHSA-rrwf-mrcc-mrgc"],"status":"published","title":"Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of...","description":"Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.05474,"percentile":0.92814,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2009-04-02T17:00:00Z","modified":"2026-06-16T23:06:49Z","exploits":[{"source":"exploitdb","id":"EDB-8306","title":"Mozilla Firefox 3.0.x - XML Parser Memory Corruption / Denial of Service (PoC)","type":"dos","platform":"windows","date":"2009-03-30","verified":true,"url":"https://www.exploit-db.com/exploits/8306"}],"products":[{"vendor":"mozilla","product":"firefox"}],"references":[{"url":"http://www.securityfocus.com/bid/34522","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/49521","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://websecurity.com.ua/3216/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://milw0rm.com/sploits/2009-Firefox-XUL-0day-PoC.rar","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://www.exploit-db.com/exploits/8306","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=485941","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1232"},{"url":"http://websecurity.com.ua/3216"},{"url":"https://github.com/advisories/GHSA-rrwf-mrcc-mrgc"}],"sources":{"cve":[{"id":"CVE-2009-1232","description":"Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.","status":"published","published":"2009-04-02T17:00:00Z","modified":"2024-08-07T05:04:49.309Z","updated_at":"2026-11-02T14:33:25.126493Z"}],"euvd":[{"id":"EUVD-2009-1231","description":"Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.","status":"published","published":"2009-04-02T17:00:00Z","modified":"2024-08-07T05:04:49Z","updated_at":"2026-11-03T01:39:22.935477Z"}],"ghsa":[{"id":"GHSA-rrwf-mrcc-mrgc","title":"Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of...","description":"Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.","status":"published","published":"2022-05-02T03:22:55Z","modified":"2025-04-09T04:08:40Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:00.026247Z"}],"nvd":[{"id":"CVE-2009-1232","description":"Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.","status":"published","published":"2009-04-02T17:30:00.267Z","modified":"2026-06-16T23:06:49.21Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:34.44527Z"}]}}