CVE-2018-6405

Name	CVE-2018-6405
Description	In the ReadDCMImage function in coders/dcm.c in ImageMagick before 7.0.7-23, each redmap, greenmap, and bluemap variable can be overwritten by a new pointer. The previous pointer is lost, which leads to a memory leak. This allows remote attackers to cause a denial of service.
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)
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
imagemagick (PTS)	jessie	8:6.8.9.9-5+deb8u12	vulnerable
	jessie (security)	8:6.8.9.9-5+deb8u15	vulnerable
	stretch (security), stretch	8:6.9.7.4+dfsg-11+deb9u6	vulnerable
	buster, sid	8:6.9.10.23+dfsg-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
imagemagick	source	(unstable)	8:6.9.9.34+dfsg-3	unimportant

Notes

https://github.com/ImageMagick/ImageMagick/issues/964
https://github.com/ImageMagick/ImageMagick/commit/1fbed78912c830ccd82eecdb8a1db4882abb8276
ImageMagick-6: https://github.com/ImageMagick/ImageMagick/commit/1fbed78912c830ccd82eecdb8a1db4882abb8276