The GetEXIFProperty function in magick/property.c in ImageMagick before 6.7.6-3 allows remote attackers to cause a denial of service (crash) via a zero value in the component count of an EXIF XResolution tag in a JPEG file, which triggers an out-of-bounds read.
https://exchange.xforce.ibmcloud.com/vulnerabilities/74657
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0259
http://www.securitytracker.com/id?1027032
http://www.securityfocus.com/bid/52898
http://www.imagemagick.org/discourse-server/viewtopic.php?f=4&t=20629
http://www.debian.org/security/2012/dsa-2462
http://ubuntu.com/usn/usn-1435-1
http://rhn.redhat.com/errata/RHSA-2012-0544.html
http://lists.opensuse.org/opensuse-updates/2012-06/msg00001.html