Apple has just released iOS 16.5.1(a), a rapid security response that fixes a major bug in Safari.
Apple released a Quick Security Response for iOS 16.5.1. These types of updates are designed to quickly resolve a specific error, so they do not increase the system version. This isn’t the first such update we’ve seen, and that’s taking into account that iOS 16.5.1 has already fixed some significant security bugs.
Quick Security Responses is a new type of software release for iPhone, iPad, and Mac. They offer significant security enhancements between software updates, such as improvements to the Safari web browser, WebKit framework build, or other critical system libraries. . They can also be used to resolve certain security issues more quickly, such as issues that could have been exploited or reported.
How to install Security Quick Response for iOS 16.5.1
By default, the iPhone Allows Quick Security Answers to Install Automatically and, if necessary, you will be prompted to restart the device.
The only thing you need to check is Settings > General > Software Update > Automatic Security Response Updates and system files are enabled. If you don’t see anything, the update is probably already installed on your iPhone.
As reported by Apple, iOS 16.5.1(a) fixes an important bug found in Safari:
Webkit
Available for: iOS 16.5.1 and iPadOS 16.5.1
Impact: Rendering web content may lead to the execution of arbitrary code Apple is aware of a report that this issue may have been actively exploited.
Description: The issue was addressed through improved checks.
CVE-2023-37450: An anonymous researcher
As you may have learned MacRumors, the update might have been crippled by experiencing some issues while browsing various websites. Apparently Facebook, Instagram, WhatsApp, Zoom and other websites started showing a warning that they were not compatible with the Safari browser after Security Rapid Response for iOS 16.5.1. It’s likely that when Apple fixes it, the update will reappear.