A vulnerability has been reported in Yahoo! Messenger, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the ActiveX component "yauto.dll" in the "Open()" function. This can be exploited to cause a buffer overflow by supplying an overly long argument to the vulnerable function via a malicious web page.
Successful exploitation may allow a malicious web site to execute arbitrary code on a user's system.
The vulnerability has been reported in versions 220.127.116.117 and prior.
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