This script is Copyright (C) 2010-2014 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
A vulnerability in libpng can result in denial of service conditions
when a remote attacker tricks a victim to open a specially crafted PNG
The PNG project describes the problem in an advisory :
Because of the efficient compression method used in Portable Network
Graphics (PNG) files, a small PNG file can expand tremendously, acting
as a 'decompression bomb'.
Malformed PNG chunks can consume a large amount of CPU and wall-clock
time and large amounts of memory, up to all memory available on a
See also :
Update the affected package.
Risk factor :
High / CVSS Base Score : 7.8
CVSS Temporal Score : 5.8
Public Exploit Available : false