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iOS 4.3.4 and 4.2.9 Fix PDF Vulnerability

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Apple has released iOS 4.3.4 for the GSM iPhone 4 and 3GS, the iPad and iPad 2, and the 3rd and 4th generations of the iPod touch, along with iOS 4.2.9 for the CDMA iPhone 4. Both updates address a security vulnerability associated with viewing a malicious PDF file. Also fixed is a vulnerability that could enable malicious code running as the user to gain system privileges.

The PDF-based vulnerability, caused by a buffer overflow in the handling of TrueType and Type 1 fonts, was used in a recent jailbreaking effort — by definition, jailbreaking involves exploiting a security hole in iOS.

The updates are available only via iTunes, and despite the minimal changes, they’re big, so allot plenty of time to download and install.

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Decide which iPhone and accessories to buy, set everything up nicely (including transferring data from a computer), find your way around, and use the apps effectively. Updated in 2011 to discuss the Verizon iPhone! Also now covers buying, making, and using ringtones.

 

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Comments about iOS 4.3.4 and 4.2.9 Fix PDF Vulnerability
(Comments are closed.)

Ron Kraus  2011-07-18 07:15
No kidding about taking some time. I have a pretty fast cable Internet connection and this thing takes about 25 minutes.
Mark Martinez  2011-07-19 07:21
58 minutes to download the update on my pokey 1.5Mbs DSL connection.