本日、Appleは一般ユーザー向けに正式版「iOS 9.3.5」を公開している。

「iOS 9.3.5」は、特に大きな変更や追加点などはなく、リリースノートによると一部のバグ修正やセキュリティ面の改善が施されているようだ。重要なアップデートになるので、時間があるときに必ず更新しておくように。

Kernel
Available for: iPhone 4s and later, iPad 2 and later, iPod touch (5th generation) and later
Impact: An application may be able to disclose kernel memory
Description: A validation issue was addressed through improved input sanitization.
CVE-2016-4655: Citizen Lab and Lookout 

Kernel
Available for: iPhone 4s and later, iPad 2 and later, iPod touch (5th generation) and later
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed through improved memory handling.
CVE-2016-4656: Citizen Lab and Lookout

WebKit
Available for: iPhone 4s and later, iPad 2 and later, iPod touch (5th generation) and later
Impact: Visiting a maliciously crafted website may lead to arbitrary code execution
Description: A memory corruption issue was addressed through improved memory handling.
CVE-2016-4657: Citizen Lab and Lookout

(About the Security of iOSより引用)

ダウンロードはいつも通り、OTA (Over-the-Air)か、もしくはiTunes経由でインストールしよう。