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Another flaw in IE 6 found

Microsoft is investigating a flaw that could be used to crash the Web browser.

Microsoft is investigating a flaw in Internet Explorer 6, according to a posting on the software maker's Security Response Center blog. The ADODB.Connection ActiveX control in Internet Explorer 6.x may contain a vulnerability that can cause memory corruption, and therefore crash the browser.

It is possible this new threat, considered by Microsoft to be a low risk, could be used by criminal hackers for so-called "drive-by" downloads. This vulnerability has been assigned a National Vulnerability Database number of CVE-2006-5559. For instructions on disabling ActiveX, see this US-CERT document.