The remote host is missing an update to bochs announced via advisory DSA 1351-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201351-1

Tavis Ormandy discovered that bochs, a highly portable IA-32 PC emulator, is vulnerable to a buffer overflow in the emulated NE2000 network device driver, which may lead to privilege escalation. For the oldstable distribution (sarge) this problem has been fixed in version 2.1.1+20041109-3sarge1. For the stable distribution (etch) this problem has been fixed in version 2.3-2etch1. For the unstable distribution (sid) this problem has been fixed in version 2.3+20070705-1. We recommend that you upgrade your bochs packages.