This script is Copyright (C) 2005-2016 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
A Debian Security Advisory reports :
Ulf Harnhammar from the Debian Security Audit Project discovered a
buffer overflow in axel, a light download accelerator. When reading
remote input the program did not check if a part of the input can
overflow a buffer and maybe trigger the execution of arbitrary code.
See also :
Update the affected package.
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 5.5
Public Exploit Available : false