Windows NT Security Update - December 23, 1999. New vulnerabilities - Yet another problem with Internet Explorer 5.x and cross frame navigation, Overflow in ZBServer v1.5, Outlook 5, as well as Internet Explorer 4.5 on Macintosh platform, Microsoft reported that Internet Information Server (IIS) is prone to reveal source code under certain conditions, Norton Antivirus 2000 was reported to contain a serious buffer overflow condition, and SQL server crash. NTsecurity homepage here.
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