Stack-based buffer overflow in the Universal Plug and Play (UPnP) service in Microsoft Windows XP SP2 allows remote attackers on the same subnet to execute arbitrary code via crafted HTTP headers in request or notification messages, which trigger memory corruption.
Heap-based buffer overflow in the intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 2009 through 2012, when Internet Explorer is used, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a URI with a % (percent) character as its (1) last or (2) second-to-last character.