The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-07:04.file.asc

Upgrade your system to the appropriate stable release or security branch dated after the correction date https://secure1.securityspace.com/smysecure/catid.html?in=FreeBSD-SA-07:04.file.asc

The file(1) utility attempts to classify file system objects based on filesystem, magic number and language tests. The libmagic(3) library provides most of the functionality of file(1) and may be used by other applications. When writing data into a buffer in the file_printf function, the length of the unused portion of the buffer is not correctly tracked, resulting in a buffer overflow when processing certain files.