{"id":"CVE-2009-1234","aliases":["EUVD-2009-1233","GHSA-5mq4-9gv7-3fhj"],"status":"published","title":"Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML...","description":"Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags.  NOTE: it was later reported that 9.52 is 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":0.06523,"percentile":0.93828,"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-8320","title":"Opera 9.64 - 7400 nested elements XML Parsing Remote Crash","type":"dos","platform":"multiple","date":"2009-03-30","verified":true,"url":"https://www.exploit-db.com/exploits/8320"}],"products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"https://www.exploit-db.com/exploits/8320","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/49522","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://websecurity.com.ua/3216/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.securityfocus.com/bid/34298","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5432","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1234"},{"url":"http://websecurity.com.ua/3216"},{"url":"https://github.com/advisories/GHSA-5mq4-9gv7-3fhj"}],"sources":{"cve":[{"id":"CVE-2009-1234","description":"Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags.  NOTE: it was later reported that 9.52 is also affected.","status":"published","published":"2009-04-02T17:00:00Z","modified":"2024-08-07T05:04:49.308Z","updated_at":"2026-11-02T14:33:25.126493Z"}],"euvd":[{"id":"EUVD-2009-1233","description":"Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags.  NOTE: it was later reported that 9.52 is 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-5mq4-9gv7-3fhj","title":"Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML...","description":"Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags.  NOTE: it was later reported that 9.52 is 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-2009-1234","description":"Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags.  NOTE: it was later reported that 9.52 is also affected.","status":"published","published":"2009-04-02T17:30:00.313Z","modified":"2026-06-16T23:06:49.453Z","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"}]}}