Microsoft Internet Explorer 5.01, 6, and 7 accesses uninitialized memory in certain conditions, which allows remote attackers to cause a denial of service (crash) and execute arbitrary code via vectors related to a document object "appended in a specific order," aka "HTML Objects Memory Corruption Vulnerability" or "XHTML Rendering Memory Corruption Vulnerability," a different vulnerability than CVE-2008-2258.
CWE-399