This script is Copyright (C) 2008-2016 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
PCRE developers report :
A character class containing a very large number of characters with
codepoints greater than 255 (in UTF-8 mode, of course) caused a buffer
See also :
Update the affected package.
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.5
Public Exploit Available : false