iOS 10.2.1 Officially Released to Public

Apple had a significant release date for many versions of it’s software products. The most notable being iOS 10.2.1, Safari 10.0.3, macOS Sierra 10.12.3, tvOS 10.1.1, and watchOS 3.1.3. You can see the specific release notes by clicking in the table at the bottom of this post.

Which devices can download and install iOS 10.2.1?

iOS users owning iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later can publicly download and install the free update starting today.

Changes in iOS 10.2.1

According to Apple, the official release notes minion that the update focuses on bug fixes and performance improvements. We expect that significant feature will be coming out shortly on iOS 10.3. While we’re standing by for iOS 10.3, here are the changes for iOS 10.2.1 as reported by Apple, Inc.:

Auto Unlock

Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Auto Unlock may unlock when Apple Watch is off the user’s wrist
Description: A logic issue was addressed through improved state management.

Contacts

Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing a maliciously crafted contact card may lead to unexpected application termination
Description: An input validation issue existed in the parsing of contact cards. This issue was addressed through improved input validation.

Kernel

Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An application may be able to execute arbitrary code with kernel privileges

• Description: A buffer overflow issue was addressed through improved memory handling.
• Description: A use after free issue was addressed through improved memory management.

libarchive

Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Unpacking a maliciously crafted archive may lead to arbitrary code execution
Description: A buffer overflow issue was addressed through improved memory handling.

WebKit

Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may exfiltrate data cross-origin

• Description: A prototype access issue was addressed through improved exception handling.
• Description: Multiple memory corruption issues were addressed through improved memory handling.
• Description: Multiple memory corruption issues were addressed through improved input validation.
• Description: A validation issue existed in the handling of page loading. This issue was addressed through improved logic.
• Description: An issue existed in the handling of blocking popups. This was addressed through improved input validation.
• Description: A validation issue existed in the handling of variable handling. This issue was addressed through improved validation.

WiFi

Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An activation-locked device can be manipulated to briefly present the home screen
Description: An issue existed with handling user input that caused a device to present the home screen even when activation locked. This was addressed through improved input validation.

Apple’s software release notes in detail