According to its banner the version of PHP installed on the remote host is either 5.2 earlier than 5.2.17 or 5.3 earlier than 5.3.5. Such versions may experience a crash while performing string to double conversion for certain numeric values. Only x86 32-bit PHP processes are known to be affected by this issue regardless of whether the system running PHP is 32-bit or 64-bit.
Binary data 801108.prm