Apple has reissued security updates for an actively exploited zero-day vulnerability in iOS and macOS due to issues encountered with the initial release. Earlier this week, the tech company issued a Rapid Security Response to address the actively targeted flaw in WebKit, the browser engine developed by Apple. All browsers on iOS and iPadOS are required to utilize WebKit.

However, the Rapid Security Response caused some websites to display incorrectly. As a result, Apple decided to withdraw the patches, leaving users without the necessary protection. A new version of the updates has now been released, resolving the issues. The updated releases include Rapid Security Responses iOS 16.5.1 (c), iPadOS 16.5.1 (c), and macOS Ventura 13.4.1 (c), which became available last night.

In May, Apple introduced Rapid Security Responses to provide patches for actively exploited vulnerabilities outside the regular update cycle. The respective fixes will also be incorporated into the following regular software update. Apple aims to respond more quickly to security issues with this approach.

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Last Update: July 13, 2023