CVE-2016-7997

Name	CVE-2016-7997
Description	The WPG format reader in GraphicsMagick 1.3.25 and earlier allows remote attackers to cause a denial of service (assertion failure and crash) via vectors related to a ReferenceBlob and a NULL pointer.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-683-1, DSA-3746-1
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
graphicsmagick (PTS)	jessie	1.3.20-3+deb8u2	fixed
	jessie (security)	1.3.20-3+deb8u6	fixed
	stretch (security), stretch	1.3.30+hg15796-1~deb9u2	fixed
	buster, sid	1.4~hg15976-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
graphicsmagick	source	(unstable)	1.3.25-4	medium
graphicsmagick	source	jessie	1.3.20-3+deb8u2	medium	DSA-3746-1
graphicsmagick	source	wheezy	1.3.16-1.1+deb7u5	medium	DLA-683-1

patch for this and CVE-2016-7996 at: http://openwall.com/lists/oss-security/2016/10/07/4