Vulnerable Systems:
Mac OS X v10.6 through v10.6.6
Mac OS X Server v10.6 through v10.6.6.
Immune Systems:
* Mac OS X prior to v10.6
* Mac OS X Server prior to v10.6
A High risk vulnerability was identified in Mac OS X ImageIO. An integer overflow issue exists in ImageIO's handling of JPEG-encoded TIFF images. Viewing a maliciously crafted TIFF image may result in an unexpected application termination or arbitrary code execution.
Patch Availability:
Apple has released a patch that addresses the issue. The announcement of this patch can be found here: http://support.apple.com/kb/HT4581