ImageMagick before 6.0 allows remote attackers to cause a denial of service (application crash) via a TIFF image with an invalid tag.
https://rhn.redhat.com/errata/RHSA-2005-070.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11022
http://www.securityfocus.com/bid/12875
http://www.novell.com/linux/security/advisories/2005_17_imagemagick.html