This script is Copyright (C) 2017 Tenable Network Security, Inc.
The remote FreeBSD host is missing one or more security-related
PHP developers report :
The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in
the GD Graphics Library (aka libgd), as used in PHP before 5.6.31 and
7.x before 7.1.7, does not zero colorMap arrays before use. A
specially crafted GIF image could use the uninitialized tables to read
~700 bytes from the top of the stack, potentially disclosing sensitive
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.3