For those of you with an iPhone, iPod Touch, or iPad, there is an important security update that you should install. Apple released the iOS 4.3.4 update on Friday which can be downloaded via iTunes. Here is some information about the update:
A buffer overflow exists in FreeType’s handling of TrueType fonts. Viewing a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.
Further details on this issue can be view on Apple’s support site.
If you have the Verizon iPhone, then you can download the iOS 4.2.9 update to fix this vulnerability. (also available via iTunes)