Headline
CVE-2010-2973: Offensive Security’s Exploit Database Archive
Integer overflow in IOSurface in Apple iOS before 4.0.2 on the iPhone and iPod touch, and before 3.2.2 on the iPad, allows local users to gain privileges via vectors involving IOSurface properties, as demonstrated by JailbreakMe.
The files contained in the archive link below are those that make use of a pdf exploit in order to jailbreak devices running Apple iOS. These pdf's are of interest in that they originate in userland and give root access to the devices.
https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/14538.7z (ios_pdf_exploit.7z)