Microsoft lately hastened in issuing a security update that was outside its normal cycle of patches for rectifying a DOS (denial-of-service) problem impacting ASP.NET editions 1.1 and beyond along with other variants that .NET supported, published softpedia.com dated 30th December 2011.
Reportedly, with name MS11-100, the security bulletin patches one flaw that arises with how ASP.NET hashes queries that are specially crafted. So as attackers inject malware inside hash tables, the resultant hash collisions inundate the CPU of a server to the extent of causing a DOS situation.
Now, alongside the above, Microsoft's security update fixes other flaws too.
...