CVE-2006-1984
Unspecified vulnerability in the _cg_TIFFSetField function in Mac OS X 10.4.6 and earlier, as used in applications that use ImageIO or AppKit, allows remote attackers to cause a denial of service (application crash) via a crafted TIFF image that triggers a null dereference.
Date published : 2006-04-21
http://lists.apple.com/archives/security-announce/2006/May/msg00003.html