The remote client is vulnerable to a remote overflow.
The remote host is using Prozilla, a download accelerator for Linux and Unix systems. The remote version of this software contains a flaw in the way that it handles server HTTP headers. Specifically, Prozilla does not properly handle format strings, which would allow the remote attacker to execute arbitrary code on the client (Prozilla) machine. An attacker exploiting this flaw would need to be able to convince a user to browse a malicious website. In addition, the remote host is reported vulnerable to a remote buffer overflow. The details of this overflow have not been made public at this time.
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