{"id":"CVE-2004-2434","aliases":["EUVD-2004-2425","GHSA-mvm2-v72c-76wc"],"status":"published","title":"Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser...","description":"Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with \"::{\" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using \"Save As\" and Internet Explorer prepares an error message with an attacker-controlled format string.","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":"2026-11-08","score":0.32761,"percentile":0.98358,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:38Z","exploits":[{"source":"exploitdb","id":"EDB-376","title":"Microsoft Internet Explorer - 'mshtml.dll' Remote Null Pointer Crash","type":"dos","platform":"windows","date":"2004-08-04","verified":true,"url":"https://www.exploit-db.com/exploits/376"}],"products":[{"vendor":"microsoft","product":"ie"}],"references":[{"url":"http://www.osvdb.org/8335","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Exploit"]},{"url":"http://securitytracker.com/id?1010491","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Exploit","Vendor Advisory"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2004-06/0428.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2004-07/1126.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2004-06/0397.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/16420","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securiteam.com/windowsntfocus/5IP020KDPU.html","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-2434"},{"url":"https://github.com/advisories/GHSA-mvm2-v72c-76wc"}],"sources":{"cve":[{"id":"CVE-2004-2434","description":"Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with \"::{\" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using \"Save As\" and Internet Explorer prepares an error message with an attacker-controlled format string.","status":"published","published":"2005-08-18T04:00:00Z","modified":"2024-08-08T01:29:12.813Z","updated_at":"2026-11-02T14:34:53.70484Z"}],"euvd":[{"id":"EUVD-2004-2425","description":"Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with \"::{\" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using \"Save As\" and Internet Explorer prepares an error message with an attacker-controlled format string.","status":"published","published":"2005-08-18T04:00:00Z","modified":"2024-08-08T01:29:12Z","updated_at":"2026-11-03T01:15:10.453137Z"}],"ghsa":[{"id":"GHSA-mvm2-v72c-76wc","title":"Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser...","description":"Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with \"::{\" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using \"Save As\" and Internet Explorer prepares an error message with an attacker-controlled format string.","status":"published","published":"2022-04-29T03:01:25Z","modified":"2023-01-30T05:04:01Z","updated_at":"2026-11-02T14:46:57.494982Z"}],"nvd":[{"id":"CVE-2004-2434","description":"Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with \"::{\" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using \"Save As\" and Internet Explorer prepares an error message with an attacker-controlled format string.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:38.777Z","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":"2026-11-02T14:00:52.459805Z"}]}}