Apple releases iOS 4.3.4, fixes PDF security issue

Apple has released iOS 4.3.4, the latest version of its mobile operating system for the iPad, iPad 2, iPhone 3GS, iPhone 4 (GSM) and third- and fourth-generation iPod touch. According to Apple’s release notes, the update fixes a security vulnerability associated with viewing malicious PDF files. Apple’s support article provides additional details noting that the issue is related to handling of TrueType and Type 1 fonts that could allow viewing of a “maliciously crafted PDF file” to lead to “unexpected application termination or arbitrary code execution.” iOS 4.3.4 (build 8K2) is available now via the Update feature in iTunes; a similar update, iOS 4.2.9 (build 8E601), is also available for the CDMA iPhone 4.

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