苹果今天凌晨发布iOS 11.0.1，这是iOS 11 正式发布后的第一个升级包。升级版本号为15A402（或15A403），区别于iOS 11 的15A372。目前看，这次升级只是一次Bug 修复和性能改进式更新，还没有发现任何功能性改变。这种更新一般会提升一些系统流畅度，也可能会改善一下电池续航时间。

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苹果在更新提示中提到，为你的iPhone 和iPad 进行了Bug 修复以及功能改善。根据Ars的了解，此次更新主要修复了无法访问Exchange e-mail服务器的bug。

提醒：开发者或者公测用户可能需要移除beta 配置文件才能搜索到更新。可以在设置> 通用> 配置文件（Profiles）里找到并删除，然后重启后即可看到iOS 11.0.1 更新。

虽然苹果轻描淡写，但实际上的更新列表却并不阳春：

Bluetooth

• Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

• Impact: An application may be able to access restricted files

• Description: A privacy issue existed in the handling of Contact cards. This was addressed with improved state management.

• CVE-2017-7131: an anonymous researcher, Elvis (@elvisimprsntr), Dominik Conrads of Federal Office for Information Security, an anonymous researcher

CFNetwork Proxies

• Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

• Impact: An attacker in a privileged network position may be able to cause a denial of service

• Description: Multiple denial of service issues were addressed through improved memory handling.

• CVE-2017-7083: Abhinav Bansal of Zscaler Inc.

CoreAudio

• Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

• Impact: An application may be able to read restricted memory

• Description: An out-of-bounds read was addressed by updating to Opus version 1.1.4.

• CVE-2017-0381: V.E.O (@VYSEa) of Mobile Threat Research Team, Trend Micro

Exchange ActiveSync

• Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

• Impact: An attacker in a privileged network position may be able to erase a device during Exchange account setup

• Description: A validation issue existed in AutoDiscover V1. This was addressed by requiring TLS for AutoDiscover V1. AutoDiscover V2 is now supported.

• CVE-2017-7088: Ilya Nesterov, Maxim Goncharov

Heimdal

• Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
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