This script is Copyright (C) 2015 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
The Mozilla Project reports :
Security researcher Khalil Zhani reported that a maliciously crafted
vp9 format video could be used to trigger a buffer overflow while
parsing the file. This leads to a potentially exploitable crash due to
a flaw in the libvpx library.
See also :
Update the affected package.
Risk factor :
Medium / CVSS Base Score : 6.8