Apple releases iOS 5.1.1.
Published on May 08, 2012.
Apple is addressing numerous vulnerabilities with iOS 5.1.1 which is affecting iPhone 3GS, iPhone 4, iPhone 4S, iPod touch, iPad, and iPad 2.
Article HT5278 describes a vulnerability in Safari that can redirect users to a malicious websites; the bug was fixed by improving the URL handling. Also, Apple has repaired a problem in the WebKit which could lead a cross-site scripting attack or arbitrary code execution.
We recommend updating to iOS 5.1.1 immediately.