{"id":"CVE-1999-1447","aliases":["EUVD-1999-1428","GHSA-45vh-w274-3hx8"],"status":"published","title":"Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code...","description":"Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.13344,"percentile":0.96436,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1998-07-28T04:00:00Z","modified":"2026-06-16T21:50:27Z","products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=90221104526188\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=90221104526169\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1447"},{"url":"https://github.com/advisories/GHSA-45vh-w274-3hx8"}],"sources":{"cve":[{"id":"CVE-1999-1447","description":"Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:03.18Z","updated_at":"2026-11-02T14:33:53.60785Z"}],"euvd":[{"id":"EUVD-1999-1428","description":"Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:03Z","updated_at":"2026-11-03T03:50:42.451061Z"}],"ghsa":[{"id":"GHSA-45vh-w274-3hx8","title":"Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code...","description":"Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.","status":"published","published":"2022-04-30T18:12:29Z","modified":"2023-01-30T05:04:36Z","updated_at":"2026-11-02T14:47:05.039925Z"}],"nvd":[{"id":"CVE-1999-1447","description":"Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.","status":"published","published":"1998-07-28T04:00:00Z","modified":"2026-06-16T21:50:27.6Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}