{"id":"CVE-2010-2121","aliases":["EUVD-2010-2137","GHSA-r2rq-46jr-gmf4"],"status":"published","title":"Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via...","description":"Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via JavaScript code containing an infinite loop that creates IFRAME elements for invalid (1) news:// or (2) nntp:// URIs.","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":"2026-11-08","score":0.0198,"percentile":0.80678,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2010-06-01T20:00:00Z","modified":"2026-06-16T23:20:01Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://websecurity.com.ua/4238/","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11622","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/511509/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-2121"},{"url":"http://websecurity.com.ua/4238"},{"url":"https://github.com/advisories/GHSA-r2rq-46jr-gmf4"}],"sources":{"cve":[{"id":"CVE-2010-2121","description":"Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via JavaScript code containing an infinite loop that creates IFRAME elements for invalid (1) news:// or (2) nntp:// URIs.","status":"published","published":"2010-06-01T20:00:00Z","modified":"2024-08-07T02:25:06.265Z","updated_at":"2026-11-02T14:33:26.665532Z"}],"euvd":[{"id":"EUVD-2010-2137","description":"Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via JavaScript code containing an infinite loop that creates IFRAME elements for invalid (1) news:// or (2) nntp:// URIs.","status":"published","published":"2010-06-01T20:00:00Z","modified":"2024-08-07T02:25:06Z","updated_at":"2026-11-03T01:39:38.920426Z"}],"ghsa":[{"id":"GHSA-r2rq-46jr-gmf4","title":"Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via...","description":"Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via JavaScript code containing an infinite loop that creates IFRAME elements for invalid (1) news:// or (2) nntp:// URIs.","status":"published","published":"2022-05-14T02:44:29Z","modified":"2025-04-11T03:36:42Z","updated_at":"2026-11-02T15:01:05.853744Z"}],"nvd":[{"id":"CVE-2010-2121","description":"Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via JavaScript code containing an infinite loop that creates IFRAME elements for invalid (1) news:// or (2) nntp:// URIs.","status":"published","published":"2010-06-01T20:30:03.04Z","modified":"2026-06-16T23:20:01.383Z","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-399"],"updated_at":"2026-11-02T14:01:47.724369Z"}]}}