CVE-2004-2434: Microsoft Ie

Medium severity, CVSS 5.0. EPSS: 32.8% chance of exploitation in the next 30 days.

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.

Affected products

• Microsoft Ie: version 6.0 only

Published 2004-12-31. Last modified 2026-06-16.