This script is Copyright (C) 2017 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
The cURL project reports :
There were two bugs in curl's parser for the command line option
--write-out (or -w for short) that would skip the end of string zero
byte if the string ended in a % (percent) or \ (backslash), and it
would read beyond that buffer in the heap memory and it could then
potentially output pieces of that memory to the terminal or the target
This flaw only exists in the command line tool.
We are not aware of any exploit of this flaw.
See also :
Update the affected package.
Risk factor :
Low / CVSS Base Score : 2.1